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The famous BIG BORE ATHENA, 290cc of pure power and torque for your Yamaha YZ 250 F from 2008 to 2013 4T.
Complete kit ATHENA high quality high performance! Aluminum cylinder with high quality Nicasil treatment, made in Italy.
VERTEX piston, high compression graphite 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 cubic capacity, the compression as well as the reduction of the friction, the temperature in the room will offer more performances to your machine!
Here, it is not really the maximum power gain that is sought after! The power comes sooner, faster, and a good increase in torque is present!
It's all that make it a very robust and powerful kit. Mounts with the original cylinder head without modification of the latter.
At the bottom of the page, you will find all the spare parts for this kit. The piston, the segments, the seal pocket ...
Mounts on Off-road Yamaha YZ 250 F - 2008/2013
Reference: P400485160007
Top engine gasket kit ATHENA for 290cc kit from your YAMAHA YZ 250 F - 2001/2007 and WR 250 F - 2001/2012.
Reference: S41316133
Spare segment for the ATHENA 275cc Ø83 mm kit for moto cross YAMAHA YZ 250 F - 2001/2007 and WR 250 F - 2001/2012.
Reference: S5F08300006A
Replacement piston for your 290cc YZF kit!
Reference: R0409B-8 / 7791
NGK R0409B-8 spark plug for better performance on your 4T motocross!
Reference: HFF3014
Air filter HIFLOFILTRO HFF3014 ideal for the maintenance of your motocross SUZUKI RM 125, 250 & RM-Z 250, 450 from 2003 to 2018 at a lower cost.
Reference: P400270100010
Cylinder - piston high performance and high quality from ATHENA for motos cross / enduro 4T Ktm XCF-W, FREERIDE, EXC-F 350cc from 2012.
Reference: P400510100019
ATHENA piston cylinder kit in 250cc Ø77mm on your motocross Suzuki RM-Z 250 - 2010/2017.
Reference: 511109
Ideal for those who practice cross, enduro, trial ... 1L PUTOLINE!
Reference: CIL-1008-S
BARIKIT 250cc piston cylinder kit on your 2009 KAWASAKI KX 250 F motocross, STANDARD version.
Reference: P400485100032
290cc Usa Big Bore 250cc high performance kit with engine reprogramming unit for Yamaha WR 250 X / R motorcycles from 2008 to 2017.
Reference: C4T052
High performance stainless steel line for KAWASAKI KX 450F from 2007 and 2008
Reference: R-KT6E00-01
Ideal to gain performance with ease with the DNA RACING air filter R-KT6E00-01!
Reference: S41316181
Spare segment for the 280cc Ø82 mm ATHENA kit for the HONDA CRF R 250cc from 2010 to 2017.
Reference: CIL-1018-S
BARIKIT 250cc piston cylinder kit on your Yamaha WR 250 F - and YZ 250 F motocross bike from 2008 to 2013, standard version.
Reference: C4T016-N
High performance stainless steel line for HONDA CRF 250 R from 2001 to 2005.
Reference: C4T076-N
High performance stainless steel line for YAMAHA YZ 250 R after 2009 and up to 2012
Reference: P400510100006
ATHENA piston cylinder kit in 490cc Ø100mm on your motocross Suzuki RM-Z 450 from 2005 to 2006.
Reference: EC270-014
Kit ATHENA cylinder in 250cc without piston, on your motorcycle cross KTM 250cc engine 4T.
Reference: P400485100020
Cylinder - full high performance piston of the highest quality taking the original displacement on your Yamaha YZ 450 F motocross from 2006 to 2009 and WR 450 F from 2007 to 2015!
The famous BIG BORE ATHENA, 290cc of pure power and torque for your Yamaha YZ 250 F from 2008 to 2013 4T.
