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Complete kit cylinder piston cylinder head ... ATHENA high performance and high quality in 293cc ø72mm Big Bore for Yamaha YZ 250 LC from 2003 to 2018.
Complete kit ATHENA of very high quality! Aluminum cylinder with high quality Nicasil treatment, made in Italy.
VERTEX piston, high compression with pre-ground steel segmentation! Joint ATHENA, (one of the best seal manufacturer in the world), we are clearly on the very top of the range.
The increase of the compression as well as the reduction of the friction, the temperature in the room will offer more performances to your machine!
Supplied complete as in the photo with its piston, clips, segment, cylinder, cylinder head but also the complete seal pouch for your high engine.
Attention, kit itself is not to put in all hands!
1. Project developed by Solid Modeling software
3D which allows to simulate and check the solicitations
mechanical.
2. The aluminum cylinder is made with molds
made of steel and machined by CNC machines that guarantee
vintage tolerance during all
the machining phases
3. Water tanks studied to increase their capacity.
4. Cylinder cores treated superficially with a
special nickel-silica mixture to ensure
better fluidity of the piston and the duration of the cylinder.
5. Machining done in air-conditioned room at 20 ° C, for
perfect control of the bores and the quality of
each cylinder.
6. Perfectly parallel cylinder attachment planes
to eliminate any mating problems.
It ofrre + 4.3ch compared to the origin!
Fits Off-road Yamaha YZ 250 LC - 2003/2018
Specific References
Reference: P400485100008
The famous athena 125cc kit from ATHENA for Yamaha YZ 125 motorcycles from 2001 to 2004.
Reference: P400485100038
A 105cc ø53mm Big Bore ATHENA kit, high performance and high quality for your Yamaha YZ 85 - 2002/2018 motocross bike
Reference: P400485100039
A 100% complete competition pack for YAMAHA YZ 85cc motocross engine! Special long stroke in 102cc Ø53mm, high compression cylinder head with increased chamber volume. In short, a real concentrate of performance!
Reference: CI.03.270.1D
Cylinder without piston, without cylinder head for BETA 270 2T with GILARDONI 269 A engine.
Reference: P400485100077
A high-performance and high-quality 105cc ø53mm Big Bore ATHENA kit for your Yamaha YZ 85 motocross bike from 2019
Reference: P400250100006
The best to replace the high engine of his KX 65! A high performance and very robust 65 kit.
Reference: CI.03.250.1D
Cylinder only for BETA 250 2T with GILARDONI 352 engine.
Reference: P400485100017
The famous athena 125cc kit from ATHENA for Yamaha YZ 125 motorcycles from 2005 to 2018.
Reference: CI.48.2
Complete kit without cylinder head for MONTESA 250 2T TRIAL liquid cooling ... with GILARDONI 300 engine
Reference: CI.03.270.2D
Cylinder only for BETA 270 2T with GILARDONI 352 C1 engine.
Reference: CI.03.270.2
Complete kit without cylinder head for BETA 270 2T with GILARDONI 352 C1 engine.
Reference: P400010100001
Complete kit without cylinder head for MONTESA 250 2T TRIAL liquid cooled... with GILARDONI 300A engine
Reference: CIL-1041-S
Very good quality kit at a very low price for your YS 125 2T from 2005 to 2018!
Reference: P400485100029
The famous BIG BORE 144cc from ATHENA for Yamaha YZ 125cc motorcycles from 1997 to 2004.
Reference: P400155100001
The famous athena 125cc kit from ATHENA for Gas Gas EC 125 cross motorcycles from 2013 to 2015 2T
Reference: CI.48.3
Complete kit without cylinder head for MONTESA 250 2T TRIAL liquid cooling ... with GILARDONI 300A engine
Complete kit cylinder piston cylinder head ... ATHENA high performance and high quality in 293cc ø72mm Big Bore for Yamaha YZ 250 LC from 2003 to 2018.
