Reference: P400010100001
Cylinder - piston kit Ø56mm ATHENA SUZUKI RGV 250 and APRILIA RS 250 2T from 1991 to 2003
Complete kit without cylinder head for MONTESA 250 2T TRIAL liquid cooled... with GILARDONI 300A engine
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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!
Here is the complete high engine kit from ATHENA for your Yamaha YZ 85 motorcycle from 2002/2018.
100% complete with its cylinder, piston, seal pack, cylinder head ... but above all its long stroke crankshaft to considerably increase the performance of your 2T machine.
Originally, the stroke of your crankshaft is 47.8mm while it is 51mm, so you will switch to 112cc instead of 85cc!
Basically, you have a high complete competition engine, made from the best materials, for a gain in torque and peak speed incomparable at the origin.
All the spare parts for this maxi pack are sold here ... the pistons in 3 different ribs, the cylinder head, the vilo ...
As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!
Mounts on Yamaha YZ 85 - 2002/2018
Reference: P400010100001
Complete kit without cylinder head for MONTESA 250 2T TRIAL liquid cooled... with GILARDONI 300A engine
Reference: P400485100029
The famous BIG BORE 144cc from ATHENA for Yamaha YZ 125cc motorcycles from 1997 to 2004.
Reference: PI.6237.A
Complete replacement single-segment piston, top-of-the-range model for 150cc 2t engine in 58mm diameter.
Reference: P400485100008
The famous athena 125cc kit from ATHENA for Yamaha YZ 125 motorcycles from 2001 to 2004.
Reference: CI.03.250.1
Complete kit without cylinder head for BETA 250 2T with GILARDONI 352 engine.
Reference: P400155100001
The famous athena 125cc kit from ATHENA for Gas Gas EC 125 cross motorcycles from 2013 to 2015 2T
Reference: P400485100038
A 105cc ø53mm Big Bore ATHENA kit, high performance and high quality for your Yamaha YZ 85 - 2002/2018 motocross bike
Reference: P400250100006
The best to replace the high engine of his KX 65! A high performance and very robust 65 kit.
Reference: P400485100077
A high-performance and high-quality 105cc ø53mm Big Bore ATHENA kit for your Yamaha YZ 85 motocross bike from 2019
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: CIL-1041-S
Very good quality kit at a very low price for your YS 125 2T from 2005 to 2018!
Reference: CI.03.270.1
Complete kit without cylinder head for BETA 270 2T with GILARDONI 269 A engine.
Reference: P400485100042
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.
Reference: P400485100030
The famous BIG BORE 144cc from ATHENA for Yamaha YZ 125 - 2005/2018 motorcycles! Monstrous!
Reference: CI.03.270.1D
Cylinder without piston, without cylinder head for BETA 270 2T with GILARDONI 269 A engine.