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 26 item(s)

BOYESEN Factory Racing Ignition Cover Red - Gas Gas MC65 - Boyesen - SC-40AR

-13.33%

Shipped the 16/06/2026

GasGas ignition cover

BOYESEN Factory Racing Ignition Cover Red - Gas Gas MC65

BOYESEN

SC-40AR

€116.03 €133.88

Made from high quality aluminium Lighter than OE cover Powder coated finish Racing design

BOYESEN Factory Racing Ingition Cover Orange - KTM SX65 - Boyesen - SC-40AO

-13.34%

Shipped the 16/06/2026

GasGas ignition cover

BOYESEN Factory Racing Ingition Cover Orange - KTM SX65

BOYESEN

SC-40AO

€127.97 €147.66

Made from high quality aluminium Lighter than OE cover Powder coated finish Racing design

BOYESEN Factory Racing Ingition Cover Black - Boyesen - SC-40AB

-13.33%

Shipped the 16/06/2026

GasGas ignition cover

BOYESEN Factory Racing Ingition Cover Black

BOYESEN

SC-40AB

€109.78 €126.66

Made from high quality aluminium Lighter than OE cover Powder coated finish Racing design

BOYESEN Factory Racing Ingition Cover Magnesium - Boyesen - SC-40AM

-13.33%

Shipped the 16/06/2026

GasGas ignition cover

BOYESEN Factory Racing Ingition Cover Magnesium

BOYESEN

SC-40AM

€109.78 €126.66

Made from high quality aluminium Lighter than OE cover Powder coated finish Racing design

BOYESEN Rad Reed valve system - KTM/Husqvarna - Boyesen - RAD-40B

-13.33%

Shipped the 16/06/2026

Reed Valve Box

BOYESEN Rad Reed valve system - KTM/Husqvarna

BOYESEN

RAD-40B

€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. 100%...

Boyesen reed valve replacement Pro Series for Boyesen reed valves system - Boyesen - PSR-040

-13.34%

Shipped the 16/06/2026

Reed Valves

Boyesen reed valve replacement Pro Series for Boyesen reed valves system

BOYESEN

PSR-040

€60.66 €70.00

Boyesen reed valve replacement Pro Series: Reed valve replacement for Boyesen reed valves system Model-Specific variable tension reed petals (Aerospace carbon material) Rubber coated and fuel resistant reed petals to ensure a long-lasting seal

BOYESEN Clutch Cover Gasket - Boyesen - CCG-46A

-13.41%

Shipped the 16/06/2026

Clutch cover gasket

BOYESEN Clutch Cover Gasket

BOYESEN

CCG-46A

€8.66 €10.00

Replacement clutch cover gasket

ATHENA Top End Gasket Set (oil seals not included) - ATHENA - P400270850047

-13.34%

Shipped the 16/06/2026

Complete engine gasket set

ATHENA Top End Gasket Set (oil seals not included)

ATHENA

P400270850047

€64.08 €73.94

Full gasket set : include everything needed for reassembling your engine, with the exception of low engine oil seals. 19 pieces

ATHENA Top-End Gasket Kit - ATHENA - P400270600047

-13.34%

Shipped the 16/06/2026

Cylinder head gaskets

ATHENA Top-End Gasket Kit

ATHENA

P400270600047

€47.68 €55.02

Top-End Gasket Kits include everything needed for reassembling the cylinder and cylinder head.

PROX Piston Kit Ø44.990mm - Prox - 01.6029.D

-22.72%

Shipped the 16/06/2026

Pistons

PROX Piston Kit Ø44.990mm

PROX

01.6029.D

€48.64 €62.94

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 Ø44.98mm - Prox - 01.6029.C

-22.72%

Shipped the 16/06/2026

Pistons

PROX Casted Piston Ø44.98mm

PROX

01.6029.C

€48.64 €62.94

Replacement rings: 260215, spare clips:CP1210C

PROX Casted Piston Ø44.97mm - Prox - 01.6029.B

-22.72%

Shipped the 16/06/2026

Pistons

PROX Casted Piston Ø44.97mm

PROX

01.6029.B

€48.64 €62.94

Replacement rings: 260215, spare clips:CP1210C

PROX Casted Piston Ø44.96mm - Prox - 01.6029.A

-13.34%

Shipped the 16/06/2026

Pistons

PROX Casted Piston Ø44.96mm

PROX

01.6029.A

€54.54 €62.94

Replacement rings: 260215, spare clips:CP1210C

PROX Steel Clutch Plates Kit - Prox - 16.S50013

-13.35%

Shipped the 16/06/2026

Smooth clutch disc kit

PROX Steel Clutch Plates Kit

PROX

16.S50013

€13.60 €15.70

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

PROX Friction Clutch Plates Kit - Prox - 16.S50012

-18.04%

Shipped the 16/06/2026

Clutch Garnished Disc Kit

PROX Friction Clutch Plates Kit

PROX

16.S50012

€43.87 €53.53

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 Ø20x52x15 - Prox - 23.6304JR2

-13.31%

Crankshaft Bearings

PROX Crankshaft Bearing Ø20x52x15

PROX

23.6304JR2

€14.75 €17.02

Crankshaft Bearing & Seal Kits PROX - Prox - 23.CBS61009

Crankshaft Bearing & Seal Kits PROX - Prox - 23.CBS61009 2

-17.25%

Shipped the 16/06/2026

Crankshaft Bearings

Crankshaft Bearing & Seal Kits PROX

PROX

23.CBS61009

€44.41 €53.66

PROX Crankshaft Bearing & Seal Kits PROX crankshaft bearing and seal kits allow you to recondition your crankshaft, ensuring it performs as reliably as the original. Crankshaft bearing and seal kit Bearings treated to minimize friction

-17.26%

Shipped the 16/06/2026

Crankshaft seals

PROX Crankshaft Oil Seal Set

PROX

42.6029

€17.53 €21.19

PROX Crankshaft Oil Seal 30x47x7mm - Prox - 41.6-304772

-13.39%

Out of stock - No confirmed delay

Crankshaft seals

PROX Crankshaft Oil Seal 30x47x7mm

PROX

41.6-304772

€10.56 €12.19

ONE IN PACK

PROX Crankshaft Oil Seal 30x42x6mm - Prox - 41.6-304261

-13.35%

Shipped the 16/06/2026

Crankshaft seals

PROX Crankshaft Oil Seal 30x42x6mm

PROX

41.6-304261

€16.27 €18.78

ONE IN PACK

PROX Connecting Rod Kit - KTM - Prox - 03.6029

-17.25%

Connecting Rod Kits

PROX Connecting Rod Kit - KTM

PROX

03.6029

€108.45 €131.05

-13.35%

Shipped the 16/06/2026

Piston Rings

Ø45MM PISTON RING

PROX

02.6022

€19.60 €22.62

RFX Race Series Kickstart Lever - Orange - RFX - FXKS5060055OR

-25.34%

Shipped the 16/06/2026

Kick

RFX Race Series Kickstart Lever - Orange

RFX

FXKS5060055OR

€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 - FXCC5100099H2

-25.34%

Shipped the 16/06/2026

Clutch cover

RFX Pro Clutch Cover (Hard Anodised)

RFX

FXCC5100099H2

€162.02 €217.00

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...