Wössner Piston Rings Set Ø74mm 1.00/1.20/2.00 for YAMAHA TTR 250, YFM 250 RAPTOR 2WD 1996-2013

WOSSNER offers this piston ring set for YAMAHA TTR 250, YFM 250 RAPTOR 2WD 1996-2013. Rings are thin steel bands sitting in the piston grooves. They press against the cylinder wall to hold compression and scrape oil.

Why replace the rings?

The benefits:

• Regain compression and power.
• Reduce oil consumption and smoke.
• A cheap fix when piston and cylinder are still within spec.

Why choose WOSSNER?

Wössner has forged its own pistons since 1994: Molykote-coated skirt to reduce friction and ease running-in, kit supplied complete with rings, pin and clips.

When should you replace the piston rings on your YAMAHA TTR 250?

Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

No manufacturer hour figure for this model. Cross-Mania guideline: compression check every 50 h in hard use and every 100 h for leisure.

Specifications and fitting tips

• Material: Aluminium
• Rings Quantity: Set
• Manufacturer part number: 740XDS-3

Cross-Mania tip: Check the ring end gap in the cylinder before fitting and respect the fitting direction (mark facing up).

Also needed with this part

• Piston : WOSSNER · WISECO
• Top-end gasket kit : COMETIC
• 4-stroke engine oil : LIQUI MOLY 10W40 1 L · MOTUL 10W50

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
YAMAHA TTR 250 2007
YAMAHA TTR 250 2006
YAMAHA TTR 250 2005
YAMAHA TTR 250 2004
YAMAHA TTR 250 2003
YAMAHA TTR 250 2002
YAMAHA TTR 250 2001
YAMAHA TTR 250 2000
YAMAHA TTR 250 1999
YAMAHA TTR 250 1998
YAMAHA TTR 250 1997
YAMAHA TTR 250 1996
YAMAHA YFM 250 RAPTOR 2WD 2013
YAMAHA YFM 250 RAPTOR 2WD 2012
YAMAHA YFM 250 RAPTOR 2WD 2011
YAMAHA YFM 250 RAPTOR 2WD 2010
YAMAHA YFM 250 RAPTOR 2WD 2009
YAMAHA YFM 250 RAPTOR 2WD 2008