Atomiser Bush for Dellorto VHSA, VHSB and VHSC series carburetors.

This is the version with a 4 mm raised, closed, shroud.

Required quantity per carburettor: 1

This item is NOT shown the drawing.

Please follow THESE instructions on how to replace an atomiser bush on these carburettors.

Atomiser Bush for Dellorto VHSB34QD carburetors as used on Rotax Max engines.

This is the version with a 8 mm raised, open, shroud.

Required quantity per carburettor: 1

This item is NOT shown the drawing.

Please follow THESE instructions on how to replace an atomiser bush on these carburettors.

K-series needle for the Dellorto VHSA, VHSB and VHSC carburetors.

Where possible, we only supply original Dellorto needles marked with the famous diamond-shaped "Inc" logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards.

In stock in version:

• K1
• K2
• K3
• K4
• K9
• K13
• K19
• K23
• K29
• K32
• K51
• K87

Can be supplied in virtually any other version but please contact us by email for that.

Required quantity per carburettor: 1

This is item number 2 in the drawing.

Click HERE for the specifications of the K and U series needles used on these carburettors.

DP-series Atomiser for the Dellorto VHSA, VHSC and VHSB carburetors.

Where possible, we only supply original Dellorto atomisers marked with the famous diamond-shaped "Inc" logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards.

This is typically a two-stroke atomiser.

In stock in version:

• DP268

Can be supplied in virtually any other version upon request.

Required quantity per carburettor: 1

This is item number 3 in the drawing.

FN-series Atomiser for the Dellorto VHSA, VHSC and VHSB carburetors.

Where possible, we only supply original Dellorto atomisers marked with the famous diamond-shaped "Inc" logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards.

In stock in version:

• FN266

Can be supplied in virtually any other version but please contact us by email for that.

Required quantity per carburettor: 1

This is item number 3 in the drawing.

Throttle Slide "Chrome" for Dellorto VHSB carburetors.

This is the heavier, round topped, slide.

Available in versions:

• 40
• 45

Required quantity per carburettor: 1

This is item number 1 in the drawing.

Main jet for the Dellorto VHSA, VHSB and VHSC carburetors.

Where possible, we only supply original Dellorto jets marked with the famous diamond-shaped "Inc" logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards.

In stock in sizes:

• 50
• 52
• 54
• 56
• 58
• 60
• 95
• 96
• 97
• 98
• 99
• 100
• 105
• 108
• 110
• 115
• 116
• 118
• 120
• 122
• 124
• 125
• 126
• 130
• 132
• 135
• 140
• 145
• 150
• 155
• 160
• 165
• 170
• 172
• 175
• 180
• 182
• 185
• 190
• 195
• 198
• 200
• 205
• 210
• 215

Please contact us by email if you require other size(s).

CD1 Type Idle Emulsion Tube for Dellorto VHSC, VHSB en VHSA carburetors.

Only still available as version CD1.

Required quantity per carburettor: 1

This is item number O 6 in the drawing.

Factory original idle jet for the Dellorto VHSA, VHSB and VHSC carburetors.

Where possible, we only supply original Dellorto jets marked with the famous diamond-shaped "Inc" logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards.

Available from our stock in sizes:

• 33
• 35
• 36
• 38
• 40
• 45
• 48
• 50
• 53
• 55
• 57
• 58
• 60
• 62
• 65
• 67
• 72
• 80
• 82
• 84
• 86
• 88
• 90
• 91
• 92
• 95
• 98
• 100
• 105
• 108
• 110
• 112
• 115
• 118
• 120

Most other sizes are available on special order. Please contact us by email with your exact requirements.

Required quantity per carburettor: 1

This is item number 7 in the drawing.

Partnumber: 1486

Choke jet for the Dellorto VHSC, VHSA and VHSB carburetors.

Where possible, we only supply original Dellorto jets marked with the famous diamond-shaped "Inc" logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards.

Available in size:

• 40
• 50
• 55
• 60
• 65
• 70
• 75
• 120

Required quantity per carburettor: 1

This is item number 9 in the drawing.

This is the single dellorto needle valve needle for the Dellorto VHSA, VHSB and VHSC carburetors.

Genuine Dellorto part, Viton-tipped!

Only genuine Dellorto needles are marked with the diamond shaped "Inc" logo!

It is Viton-tipped and spring-loaded.

This needle is used in the seats with size 250 and 270 of our set which you can find HERE.

The body measures 4 mm square.

The length of the body + Viton tip measures 14.95 mm.

The overall length is 18.75 mm.

Please note that this needle will NOT fit the seats of sizes 300, 350 and 400.

Required quantity per carburettor: 1

This is item number 10 in the drawing.

Part Number: 12202

Dellorto needle valve, seat and fiber washer for the VHSA, VHSB and VHSC carburetors.

Genuine Dellorto part, Viton-tipped!

Only genuine Dellorto needles are marked with the diamond shaped "Inc" logo!

Available in size:

• 150
• 170
• 200
• 225
• 250
• 270
• 300
• 350
• 400

Required quantity per carburettor: 1

This is item number 10 in the drawing.

The single needle (so without seat) for sizes 250 and 275 is also available and can be found HERE.

Single, white plastic, float for the Dellorto VHSA, VHSB and VHSC carburetors.

Available in the following versions:

• 15760.3 - 4.0 grams
• 15760.4 - 5.2 grams
• 15760.5 - 3.6 grams

Required quantity per carburettor: 2

This is item number 11 in the drawing.

Click HERE for instructions on how to set the float level of the Dellorto VHSA, VHSB and VHSC.

Single, black plastic, float for the Dellorto VHSA, VHSB and VHSC carburetors.

Available in the following versions:

• 9794.1 - 3.5 gram
• 9794.3 - 3.5 gram
• 9794.4 - 4.5 gram
• 9794.5 - 2.8 gram

Required quantity per carburettor: 2

This is item number 11 in the drawing.

Click HERE for instructions on how to set the float level of the Dellorto VHSA, VHSB and VHSC.

Rubber cable cap for the Dellorto VHSA, VHSB and VHSC carburetors.

Required quantity per carburettor: 2 - 1 x for choke cable, 1 x for throttle cable

This is item number 13 in the drawing.

Cable Adjuster for Dellorto VHSA VHSB and VHSC carburetors.

Required quantity per carburettor: Depending on your set-up

This is item number 14 in the drawing.

Cable adjuster for the Dellorto VHSA, VHSB and VHSC carburetors.

Fits an outer cable with an external diameter of 6.75 mm.

This cable adjuster uses Lock Nut 1692 to secure its setting.
For your convenience, you can order this lock nut right along with this adjuster by simply selecting it through the drop box above.

Required quantity per carburettor: 1

This is item number 16 in the drawing.

This is the locknut that secures the setting on the throttle cable for the Dellorto VHSA, VHSB and VHSC carburetors.

This lock nut fits cable adjuster Number 16 in the drawing (Art. Nr. 1481) ONLY!

Required quantity per carburettor: 1

This is part of item number 16 in the drawing.

Dellorto Part Number: 1692

40 degrees cable elbow for the Dellorto VHSA, VHSB and VHSC carburetors.

Please note that this elbow is NOT suitable for the BMW R90S with metal topped carburettors!

This elbow is secured into the top cover by means of Lock Nut 1691. For your convenience, you can order this lock nut along with the elbow by simply selecting it through the drop box above.

Required quantity per carburettor: 1

This is item number 17 in the drawing.

50 degrees cable elbow for the Dellorto VHSA, VHSB and VHSC carburetors.

Please note that this elbow is NOT suitable for the BMW R90S with metal topped carburettors!

This elbow is secured into the top cover by means of Lock Nut 1691. For your convenience, you can order this lock nut along with the elbow by simply selecting it through the drop box above.

Required quantity per carburettor: 1

This is item number 17 in the drawing.

70 degrees cable elbow for the Dellorto VHSA, VHSB and VHSC carburetors.

Please note that this elbow is NOT suitable for the BMW R90S with metal topped carburettors!

This elbow is secured into the top cover by means of Lock Nut 1691. For your convenience, you can order this lock nut along with the elbow by simply selecting it through the drop box above.

Required quantity per carburettor: 1

This is item number 17 in the drawing.

90 degrees cable elbow for the Dellorto VHSA, VHSB and VHSC carburetors.

Please note that this elbow is NOT suitable for the BMW R90S with metal topped carburettors!

This elbow is secured into the top cover by means of Lock Nut 1691. For your convenience, you can order this lock nut along with the elbow by simply selecting it through the drop box above.

Required quantity per carburettor: 1

This is item number 17 in the drawing.

This lock nut is used on a wide variety of Dellorto carburetors to secure the cable elbow into the top cover.

Required quantity per elbow: 1

This item is usually NOT depicted in the drawing.

Dellorto Part Number: 1691

Circlip to secure the needle on the Dellorto VHSA, VHSB and VHSC carburetors.

Required quantity per carburettor: 1

This is item number 19 in the drawing.

Slide spring for the Dellorto VHSA carburetors.

Please note that the Dellorto VHSB uses different springs!

Required quantity per carburettor: 1

This is item number 20 in the drawing.

Slide spring for the Dellorto VHSB carburetors.

This spring is available in 2 different strengths:

• Weak - 0.6 kg / 58 mm
• Medium - 1.0 kg / 58 mm

Please note that the Dellorto VHSA uses a different spring!

Required quantity per carburettor: 1

This is item number 20 in the drawing.

Lever-operated choke mechanism for later type Dellorto VHSA and VHSB carburetors.

Please note that the working height of this version is 34 mm.

Please make sure that this is the correct version for your carburetor.

Required quantity per carburettor: 1

This is item number 26 in the drawing.

Rubber (Viton) o-ring to seal the choke assembly on the Dellorto VHSC. VHSB and VHSC series carburetors.

Required quantity per carburettor: 1

This is item number 27 in the drawing.

Cable Adjuster for Dellorto VHSA VHSB and VHSC carburetors.

This adjuster uses lock nut number 1691 to secure it setting.

For your convenience, you can order a new lock nut right along with the adjuster by simply selecting it through the drop box above.

Required quantity per carburettor: Depending on your set-up

This is item number 28 in the drawing.

This is the locknut that secures the setting on the throttle and the choke cable of the Dellorto VHSA, VHSB and VHSC carburetors.

This lock nut fits cable adjuster Number 28 in the drawing (Art. Nr. 1104) ONLY!

Required quantity per carburettor: 1

This is part of item number 28 in the drawing.

Dellorto Part Number: 1691

Choke return spring for the Dellorto VHSC, VHSA and VHSB series carburetors.

Required quantity per carburettor: 1

This is item number 30 in the drawing.

Choke piston for the Dellorto VHSC, VHSA and VHSB series carburetors.

Required quantity per carburettor: 1

This is item number 31 in the drawing.

Float pivot pin for the Dellorto VHSA, VHSC and VHSB carburetors.

Required quantity per carburettor: 1

This is item number 32 in the drawing.

Part Number: 12692

Float arm for the single, plastic, floats as used in the Dellorto VHSA and VHSB carburetors.

Suitable for:

• the white plastic floats article number 15760
• the black plastic floats article number 9794

Required quantity per carburettor: 1

This is item number 33 in the drawing.

Click HERE for instructions on how to set the float level of the Dellorto VHSA and VHSB.

Float bowl gasket the Dellorto VHSA, VHSB and VHSC carburetors.

Fits all varieties of float bowl for these carburettors.

Required quantity per carburettor: 1

This is item number 34 in the drawing.

Deep, "Aprilia"-style, float bowl for the Dellorto VHSA, VHSB and VHSC carburetors for versions with individual floats.

Please note:
Originally, there were 4 different versions on this float bowl (see drawing HERE).
Only a limited number of these 4 are still available from Dellorto.
If you are unsure if this is the correct float bowl for your carburettor, please don't hesitate to contact us for advice.

Required quantity per carburettor: 1

This is item number L 35 in the drawing.

Spring Washer for, amongst others, the float bowl of the Dellorto VHSx series carburetors.

Required quantity per carburettor: 2

This is item number 36 in the drawing.

Dellorto Part Number: 4957

Screw for, amongst others, the float bowl of the Dellorto VHSx series carburetors.

Required quantity per carburettor: 2

This is item number 37 in the drawing.

Fiber ring to seal the needle valve on the Dellorto VHSC, VHSB and VHSA carburetors.

Required quantity per carburettor: 1

This is item number 42 in the drawing.

Special anti-surge washer for the main jet on the Dellorto VHSC, VHSB and VHSA carburetors.

Required quantity per carburettor: 1

This is item number 43 in the drawing.

Mixture screw spring for Dellorto VHSA, VHSB and VHSC carburetors.

This spring secures the setting of the mixture screw on these carburetors.

Required quantity per carburettor: 1

This is item number 45 in the drawing.

Fiber washer to seal the fuel filter bolt on the Dellorto VHSA, VHSB and VHSC carburetors.

Required quantity per carburettor: 1

This is item number 49 in the drawing.

Deep float bowl with overflow pipe for the Dellorto VHSA, VHSB and VHSC carburetors for versions with connected floats.

Please note:
Originally, there were 4 different versions on this float bowl (see drawing HERE).
Only a limited number of these 4 are still available from Dellorto.
If you are unsure if this is the correct float bowl for your carburettor, please don't hesitate to contact us for advice.

Required quantity per carburettor: 1

This is item number Q 51 in the drawing.

Dellorto factory-original service kit for the Dellorto VHSA carburetors.

Contains all required gaskets, seals and o-rings as per the product photo.

Also suitable for the Dellorto VHSH series.

Required quantity per carburetor: 1

This is item number 53 in the drawing.

Dellorto factory-original service kit for the Dellorto VHSB carburetors.

Contains all required gaskets, seals and o-rings as per the product photo.

Also suitable for the Dellorto VHSB34QD as used on Rotax Max engines.

Required quantity per carburetor: 1

This is item number 53 in the drawing.

Dellorto factory-original service kit for the Dellorto VHSB carburetors as used on KTM motorcycles.

Contains all required gaskets, seals and o-rings as per the product photo.

Required quantity per carburetor: 1

This is item number 53 in the drawing.

This breather pipe connector will fit a wide range of Dellorto carburetors, amongst which the VHSA, VHSB and VHSC series carburettors.

This pipe has 5 mm push fit in the carburettor body and connects to a 3.8 mm internal diameter breather line.

Required quantity per carburettor: 1

This is item number 62 in the drawing.

Set of 5 x A4 Sheets of Flexoid Gasket Paper Material.

Almost a "First Aid Kit" for the home mechanic!

This set of first quality gasket paper contains 5 sheets in DIN A4 size (300 x 210 mm or roughly 11.8 x 8.3 inches) in 5 different thicknesses.

You can cut these sheets to almost any desirable size and shape to help you out when the required gasket is not at hand.

The sheets are made of cellulose based, plasticised gelatin-impregnated material.

The sheets are of the following thickness:

• 0.15 MM
• 0.25 MM
• 0.4 MM
• 0.8 MM
• 1.6 MM

Sytec Fuel Line One Way Valve.

We have two versions available:

• Suitable for 6 mm internal diameter fuel hoses
• Suitable for 8 mm internal diameter fuel hoses

Silver anodized finish.

Prevents fuel from leaking back into the fuel tank.

Suitable for regular fuel, E10, E85 and Diesel.

Viton seals.

We strongly advise you to secure your fuel lines using our stainless steel jubilee clips, despite the barbed edge on these unions.
For your convenience, you can order these clips right along with the union by simply selecting it through the drop-box above.

In line fuel filter with cleanable / replaceable filter.

Suitable for 6 mm internal diameter fuel hoses.

Replacement filter elements are available HERE.

Chrome finish.

Toughened glass phial.

Suitable for system pressures of up to 10 PSI / 0.7 Bar.

Supplied with 2 Jubilee clips.

Couplings Specifications:
Fuel Unions for fuel lines with 6 mm internal diameter

In line fuel filter with cleanable / replaceable filter.

Suitable for 8 mm internal diameter fuel hoses.

Replacement filter elements are available HERE.

Chrome finish.

Toughened glass phial.

Suitable for system pressures of up to 10 PSI / 0.7 Bar.

Supplied with 2 Jubilee clips.

Couplings Specifications:
Fuel Unions for fuel lines with 8 mm internal diameter

3 replacement elements for the Sytec Pro-Line in-line fuel filter.

Come complete with new rubber seals.

These elements fit our PRO804 and PRO805 Sytec in-line fuel filters.

Suitable for system pressures of up to 10 PSI / 0.7 Bar.

Calibrated gauges to measure jet sizes.

The perfect way to determine the exact size of jets, regardless of what is indicated on them.

Sometimes jets are drilled out to requirement and / or the original indicators are removed or illegible which leaves you questioning the true size.

With these gauges, you can still determine which size these jets are.

Indispensable when working on modified carburettors!

Two different sets available:

Set 1: 20 gauges, ranging from 0,45 mm to 1,50 mm
Set 2: 16 gauges, ranging from 1,50 to 3,00 mm

Priced per set!

Jet sizing tool to measure jets between 0.5 and 1.5 mm internal diameter.

Measurements are taken by inserting the tapered needle into the jet.

The size can then directly be read from the scale.

Jet drill set comprising 50 jet drills and and 4 pin vises.

The perfect way to fine-tune any jet to suit your needs.

Also highly suited to clean clogged-up jets.

The set contains:

• 4 pin vises to suit all drill sizes included
• 10 drills ranging from 1,0 to 2,0 mm:
  1.0, 1.1, 1.2, 1.3, 1.5, 1.6, 1.7, 1.8, 1.9 & 2.0 mm
• 20 drills ranging is size from 0.3 mm to 1.6 mm:
  0.3, 0.35, 0.4, 0.45, 0.50, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.2, 1.3, 1.4, 1.5 & 1.6 mm
• 20 x drills Gauge Number 80 to 61 (0.343 to 0.991 mm / 0.0135 to 0.0390 inches )

Jet reamer kit comprising 16 reamers and and a pin vise.

The perfect way to fine-tune any jet to suit your needs.

The set contains:

• 1 pin vise to suit all reamer sizes in this set
• 1 storage case
• 16 reamers ranging is size from 0.33 mm to 2.00 mm:
  0.33; 0.40; 0.45; 0.50; 0.60; 0.70; 0.75; 0.80; 0.90; 1.00; 1.10; 1.20; 1.40; 1.60; 1.80; 2.00 mm

Gunson Colortune See Through Spark Plug Kit.

The Tune-up plug for Petrol or LPG, 2 and 4 stroke engines with single, twin or multiple carburettors or fuel injection systems.

The original and best tool for seeing what's happening inside the combustion chamber of the petrol engine.

It allows you to see the combustion and to adjust the mixture by color.

Fits most petrol engines in standard form with additional adapters available for vehicles with alternative sized spark plugs.

Kit includes:

• See-Through Spark Plug
• Hexagonal adapter for spark plug wrench
• Copper sealing washer
• Extension Cord
• Extension tube with mirror
• Cleaning brush
• Instructions in English

Colortune will fit most vehicles.

Extra adapter sizes available separately

Available in the following basic thread sizes:

• 10 mm
• 12 mm
• 14 mm

For our complete offerings on Gunson Tools, please visit www.GunsonShop.com.

Gunson Article Number: G4074

Official issue sticker / decal with the Dellorto logo and Italian flag "tricolore" colors.

Measures 9 x 3 cm (3.54 x 1.2 inches).

This is Number 1 in the photograph.

Made of high quality vinyl.

Official issue sticker / decal with the Dellorto logo and Italian flag "tricolore" colors.

Measures 8 x 4 cm (3.1 x 1.55 inches).

This is Number 2 in the photograph.

Made of high quality vinyl.

Official issue sticker / decal with the Dellorto logo and Italian flag "tricolore" colors.

Measures 6 x 2 cm (2.4 x 0.8 inches).

This is Number 3 in the photograph.

Made of high quality vinyl.

Official issue sew-on patch with the Dellorto logo and Italian flag "tricolore" colors.

Measures 12 x 6.5 cm (4.7 x 2.6 inches).

Elaborately embroidered.

LOCTITE 542

Thread Sealant - medium strength.
For fine threads in hydraulic, pneumatic and general fittings.
Fast curing.

LOCTITE 542 is designed for the locking and sealing of metal pipes and fittings as well as other cylindrical metal assemblies.
The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration.
The thixotropic nature of LOCTITE 542 reduces the migration of liquid product after application to the part.

Your Benefits:

• Ideal for fine threads as used in hydraulic, pneumatic & general fittings
• Suitable for metal threads only
• Instant low-pressure seal
• Resistant to fuel, oil, coolants and hydraulic fluids
• Locks connection against vibration loosening
• DVGW approval (EN 751-1): NG-5146AR0855

Excellently suited for sealing connections on carburetors and fuel pumps!

LOCTITE 243

Threadlocking Adhesive - medium strength.

General purpose.

Suitable for all metal threaded assemblies.

LOCTITE 243 is a general purpose threadlocker of medium bond strength.
This threadlocker secures and seal bolts, nuts and studs to prevent loosening due to vibration.
The product works on all metals, including passive substrates such as stainless steel, aluminium and plated surfaces.
It is proven to be tolerant of minor contamination due to industrial oils, e.g. engine oils, corrosion prevention oils and cutting fluids.

Your Benefits 

• Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses
• Works on all metals, including passive substrates (e.g. stainless steel, aluminium, plated surfaces)
• Proven to tolerate minor contamination by industrial oils, e.g. engine oils, corrosion prevention oils and cutting fluids
• Permits disassembly with hand tools for servicing P1 NSF Reg. No.: 123000

The Gunson Digital Exhaust Gas and CO Tester is the perfect (and affordable !) tool for the DIY mechanic to measure and adjust the CO-percentage in the exhaust gases of cars, motorcycles, boats etc equipped with a petrol-driven internal combustion engines.

Allows you to measure the current CO-percentage after which you can adjust it to the required level.

This system is equipped with a pulse pump and is suitable for both leaded and unleaded petrol / gasoline.

The tester will calibrate itself in the open air, has no moving parts to reduce wear and tear and has no filters.

Measures the CO % to 0,5 % accurately throughout the range.

Power: 12 Volt car- or motorcycle battery.

The set comprises the following:

• The Gastester with box
• Puls pump with water trap
• Metal exhaust probe
• 3 Flexibel pipes
• Operating Manual in English

If you require the owner's manual again, you can download it HERE.

Article Number: G4125

Additional instructions on adjusting the Gastester, in English, can be downloaded HERE.

This is a short instruction video, again in English:

Available from our stock, ready to be shipped.

For our complete offerings on Gunson Tools, please visit www.GunsonShop.com.

Gunson Article Number: G4125