Engine

Engine parts and accessories for GasGas motorcycles to maintain, repair or optimize performance. From air filters to crankshafts, including pistons and cylinders, all you need is available.

Showing 1-24 of 31 item(s)

PROX Forged Piston Ø77.96mm - Prox - 01.6333.A

-17.25%

Pistons

PROX Forged Piston Ø77.96mm

PROX

01.6333.A

€168.47 €203.58

PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.

-17.26%

Timing Chain

PROX Silent Timing Chain - 110 Links

PROX

31.6356

€83.47 €100.87

PROX CAM CHAIN KTM SX-F250/350 110 LINKS

RFX Race Pre-Oiled Air Filter - RFX - FXAF5000755PO

-25.37%

Shipped the 16/06/2026

Air filter

RFX Race Pre-Oiled Air Filter

RFX

FXAF5000755PO

€14.18 €19.00

New to the RFX range and produced by Multi Air, the RFX Air filter is the perfect choice for all levels. Let your bike breath with twin layered foam and precise fitment. With over 30 Years experience, Multi Air is a name you can trust. Product Features: Breathable twin layered foam. Non flammable foam used on all 4 stroke models. Industry leading Multi...

Bouchon de remplissage d'huile RFX Pro Series - orange

-25.37%
New

Oil drain plug

RFX Pro Series orange oil filler plug

RFX

FXOP5010099OR

€15.66 €20.99

The RFX Pro Series orange oil filler plug is designed to replace the original cap while adding a clean racing finish to your engine area.Aluminium construction for a strong and premium appearanceOrange racing finish matching the KTM styleIdeal for replacing a worn, marked or original oil plugAdds a clean visual touch to the engineRFX Pro Series product...

Bouchon de vidange aimanté RFX [M12 x 12 mm x 1,50] - orange

-25.38%

Oil drain plug

Oil sump plug RFX – GAS GAS/Husqvarna 125-450 2007-2023, M12x1.5

RFX

FXDB5010099OR

€11.94 €16.00

Magnetic oil drain plug traps metallic particles in engine oilCNC machined aluminum 6061-T6 for strength and lightnessCompact design, easy to installPre drilled for brake lineDimensions: M12x1.5, length 12 mmManufacturer reference FXDB5010099OROrange color for quick visual identification

KTM Oil Filter Cover CMPL – OEM | RAW Motorsports

Oil drain plug

OIL FILTER COVER CMPL.

KTM

77338941044FA

€39.96

Original KTM part — Oil filter cover complete (CMPL.).RAW ref: 77338941044FAOEM ref: 77338041200HT price: 33.30

STM CLG Off-Road Clutch System - STM - XKT-045

-56.09%

Shipped the 16/06/2026

Complete clutch

STM CLG Off-Road Clutch System

STM

XKT-045

€364.58 €830.24

STM CLG CLUTCH Through the partnership with the best MXGP teams STM has reached the maximum performance following an R&D evolution in 3 steps: 1 aluminium (light) 2 aluminum and steel (light and durable) 3 skeletonized steel (+ light + durable) The new innovative design introduces a new concept of clutch: no more barrier for the lubrication of...

PROX Forged Piston Ø77.98mm - Prox - 01.6347.C

-17.25%

Shipped the 16/06/2026

Pistons

PROX Forged Piston Ø77.98mm

PROX

01.6347.C

€168.47 €203.58

ProX Piston Kits ProX pistons, precisely crafted using advanced CNC technology, utilize the same low-expansion, low-friction alloy as major Japanese manufacturers. High-Performance Coating: Facilitates break-in, reduces friction, and enhances performance with an innovative black coating. For Nicasil Cylinders: Available in standard sizes and...

PROX Forged Piston Ø77.97mm - Prox - 01.6347.B

-17.25%

Shipped the 16/06/2026

Pistons

PROX Forged Piston Ø77.97mm

PROX

01.6347.B

€168.47 €203.58

PROX Forged Piston Ø77.96mm - Prox - 01.6347.A

-17.25%

Shipped the 16/06/2026

Pistons

PROX Forged Piston Ø77.96mm

PROX

01.6347.A

€168.47 €203.58

Piston KitsProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc. All...

PROX Forged Piston Ø77.98mm - Prox - 01.6333.C

-17.25%

Shipped the 16/06/2026

Pistons

PROX Forged Piston Ø77.98mm

PROX

01.6333.C

€168.47 €203.58

PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.

PROX Forged Piston Ø77.97mm - Prox - 01.6333.B

-17.25%

Shipped the 16/06/2026

Pistons

PROX Forged Piston Ø77.97mm

PROX

01.6333.B

€168.47 €203.58

PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.

PROX Friction Clutch Plates Kit - Prox - 16.S53016

-13.33%

Out of stock - No confirmed delay

Clutch Garnished Disc Kit

PROX Friction Clutch Plates Kit

PROX

16.S53016

€102.74 €118.54

Prox clutch plates are the perfect solution for reconditioning your clutch efficiently. They provide a very good balance between performance and longevity. Friction clutch plate kit Race-developed Identical dimensions to the original equipment Compatible with OE clutch components Includes all friction clutch plates required for reconditioning...

PROX Valve Stem Seal - Prox - 35.VS029 2

-13.43%

Shipped the 16/06/2026

Valve stem seals

PROX Valve Stem Seal

PROX

35.VS029

€2.78 €3.22

ProX offers a wide range of valve stem seals for the MX, Dirtbike, Roadbike and ATV segment. The seals are manufactured by the leading OEM factories in Japan such as NOK and ARS. The seals are produced from premium grade materials and are made to OEM specs and tolerances, offering low friction in combination with superior seal for excellent durability.

PROX Valve Stem Seal - Prox - 35.VS028 2

-13.52%

Shipped the 16/06/2026

Valve stem seals

PROX Valve Stem Seal

PROX

35.VS028

€3.63 €4.20

PROX Piston Ring Set - Ø78mm 4T - Prox - 02.6347

-13.34%

Shipped the 16/06/2026

Piston Rings

PROX Piston Ring Set - Ø78mm 4T

PROX

02.6347

€44.56 €51.42

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All ProX piston rings can be used in cast iron bores, nickel ceramic platings (Nikasil), boron composite and electrofusion bores. If the application has a OEM...

PROX Crankshaft Bearing & Oil Seal Kit - Prox - 23.CBS63017

-17.24%

Shipped the 16/06/2026

Crankshaft seals

PROX Crankshaft Bearing & Oil Seal Kit

PROX

23.CBS63017

€123.09 €148.74

PROX crankshaft bearing + seal kits enable you to recondition your crankshaft so that it remains as reliable as the original set-up. Crankshaft bearing + seal kit Bearings treated to minimise friction

PROX Crankshaft Oil Seal 25x35x7mm - Prox - 41.6-253570

-13.39%

Shipped the 16/06/2026

Crankshaft seals

PROX Crankshaft Oil Seal 25x35x7mm

PROX

41.6-253570

€7.89 €9.11

ONE IN PACK

PROX Connecting Rod Kit - KTM SX-F250 - Prox - 03.6337

PROX Connecting Rod Kit - KTM SX-F250 - Prox - 03.6337 2

-13.34%

Shipped the 16/06/2026

Connecting Rod Kits

PROX Connecting Rod Kit - KTM SX-F250

PROX

03.6337

€238.38 €275.06

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PROX Titanium Intake Valve - KTM - Prox - 28.6333-2

-17.25%

Shipped the 16/06/2026

Valves

PROX Titanium Intake Valve - KTM

PROX

28.6333-2

€83.51 €100.92

Prox titanium valves are precision forged from a single part and coated with plasma, optimising resistance to heat and wear.

PROX Titanium Exhaust Valve - KTM - Prox - 28.6333-1

-17.25%

Shipped the 16/06/2026

Valves

PROX Titanium Exhaust Valve - KTM

PROX

28.6333-1

€83.51 €100.92

Prox titanium valves are precision forged from a single part and coated with plasma, optimising resistance to heat and wear.

SET OF PISTON RINGS PROX Ø88MM - Prox - 02.6351

-13.34%

Shipped the 16/06/2026

Piston Rings

SET OF PISTON RINGS PROX Ø88MM

PROX

02.6351

€39.28 €45.32

PROX SET OF PISTON RINGS FOR 4-STROKE Ø78MM - Prox - 02.6333

-13.34%

Shipped the 16/06/2026

Piston Rings

PROX SET OF PISTON RINGS FOR 4-STROKE Ø78MM

PROX

02.6333

€44.56 €51.42

PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.

Ø66.40MM PROX SET OF PISTON RINGS FOR 2-STROKE - Prox - 02.6324

-13.32%

Shipped the 16/06/2026

Piston Rings

Ø66.40MM PROX SET OF PISTON RINGS FOR 2-STROKE

PROX

02.6324

€41.17 €47.50

PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.