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 1-18 of 18 item(s)

BOYESEN Factory Racing Clutch Cover Red - Gas Gas MC85

-13.33%

Shipped the 16/06/2026

Clutch cover

BOYESEN Factory Racing Clutch Cover Red - Gas Gas MC85

BOYESEN

CC-46AR

€124.59 €143.76

Boyesen clutch covers are made from high quality aluminium. Lighter than OE covers Powder coated finish Long lasting performance and protection

BOYESEN Factory Racing Clutch Cover Black - Boyesen - CC-46AB

-13.33%

Shipped the 16/06/2026

Clutch cover

BOYESEN Factory Racing Clutch Cover Black

BOYESEN

CC-46AB

€126.00 €145.38

Boyesen clutch covers are made from high quality aluminium. Lighter than OE covers Powder coated finish Long lasting performance and protection

BOYESEN Rad Reed valve system - KTM/Husqvarna - Boyesen - RAD-46

-13.33%

Shipped the 16/06/2026

Reed Valve Box

BOYESEN Rad Reed valve system - KTM/Husqvarna

BOYESEN

RAD-46

€214.06 €247.00

BOYESEN engineers create a new lineage of aerodynamic intake technology to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific Reed Petal Tensioning, Material Fuel Resistance, and Multi-Stage Reed Timing. Together, these innovations create a new technological benchmark in intake performance. Each Boyesen...

PROX Piston Kit Ø46.980mm - Prox - 01.6105.D

-18.91%

Shipped the 16/06/2026

Pistons

PROX Piston Kit Ø46.980mm

PROX

01.6105.D

€81.03 €99.92

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 Casted Piston Ø46.97mm - Prox - 01.6105.C

-18.91%

Shipped the 16/06/2026

Pistons

PROX Casted Piston Ø46.97mm

PROX

01.6105.C

€81.03 €99.92

Replacement rings: 260223, spare clips: CP1410C, needle bearing cage: 400412

PROX Casted Piston Ø46.96mm - Prox - 01.6105.B

-18.91%

Shipped the 16/06/2026

Pistons

PROX Casted Piston Ø46.96mm

PROX

01.6105.B

€81.03 €99.92

Replacement rings: 260223, spare clips: CP1410C, needle bearing cage: 400412

-18.91%

Shipped the 16/06/2026

Pistons

PROX Casted Piston

PROX

01.6105.A

€81.03 €99.92

Replacement rings: 260223, spare clips: CP1410C, needle bearing cage: 400412

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 Crankshaft Bearing 25x52x15mm - Prox - 23.NJ205

-13.34%

Shipped the 16/06/2026

Crankshaft Bearings

PROX Crankshaft Bearing 25x52x15mm

PROX

23.NJ205

€48.40 €55.85

Prox Crankshaft BearingFor an equivalent replacement to the original partSold individually

PROX Crankshaft Bearing & Oil Seal Kit - Prox - 23.CBS61003

-17.25%

Shipped the 16/06/2026

Crankshaft seals

PROX Crankshaft Bearing & Oil Seal Kit

PROX

23.CBS61003

€81.54 €98.54

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PROX Crankshaft Bearing 22x52x15mm - Prox - 23.6304/22

-13.3%

Shipped the 16/06/2026

Crankshaft Bearings

PROX Crankshaft Bearing 22x52x15mm

PROX

23.6304/22

€15.62 €18.01

PROX Crankshaft Bearing 22x52x15mm

PROX Friction Clutch Plates Kit - Prox - 16.S51018

-18.05%

Shipped the 16/06/2026

Clutch Garnished Disc Kit

PROX Friction Clutch Plates Kit

PROX

16.S51018

€87.01 €106.16

-17.25%

Shipped the 16/06/2026

Connecting Rod Kits

PROX Connecting Rod Kit - KTM

PROX

03.6113

€114.83 €138.77

PROX connecting rods are made from a very hard-wearing alloy in the original dimensions to meet manufacturers' specifications. The two-stage forging process and the special treatment of the rod's surface boost the part's reliability over the long term. Use these kits to recondition the engine and to prepare it for racing.

-13.35%

Shipped the 16/06/2026

Piston Rings

Ø47MM PISTON RING

PROX

02.6105

€19.60 €22.62

RFX Race Series Kickstart Lever - Orange - RFX - FXKS5080055OR

-25.34%

Shipped the 16/06/2026

Kick

RFX Race Series Kickstart Lever - Orange

RFX

FXKS5080055OR

€76.90 €103.00

RFX Race Series: The benchmark in kickstarters. Crafted from high-quality materials, the RFX Race Series kickstarter is built to withstand the harshest conditions. Its robust construction and precision engineering guarantee a reliable start every time. Choose RFX for performance and longevity.

RFX Pro Clutch Cover (Hard Anodised) - RFX - FXCC5110099H2

-25.34%

Shipped the 16/06/2026

Clutch cover

RFX Pro Clutch Cover (Hard Anodised)

RFX

FXCC5110099H2

€138.86 €185.99

Pro Series Clutch Covers Featuring a deeper profile to increase oil capacity by 100cc helps reduce oil temperature in long races especially in extreme muddy/sandy conditions where clutch abuse is most common. Selected models also feature an internal scoop to increase oil flow to the centre of the basket. RFX Pro Series Clutch Covers are manufactured to...

RFX Race Pre-Oiled Air Filter - RFX - FXAF5000355PO

-25.37%

Shipped the 16/06/2026

Air filter

RFX Race Pre-Oiled Air Filter

RFX

FXAF5000355PO

€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...

RFX Race Non Oiled Air Filter - RFX - FXAF5000355NO

-25.39%

Shipped the 16/06/2026

Air filter

RFX Race Non Oiled Air Filter

RFX

FXAF5000355NO

€9.70 €13.00