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VERTEX offers this piston ring set for YAMAHA XTZ 660 TENERE, YFM 660 RAPTOR 2WD, YFM 700 GRIZZLY EPS 4WD, YFM 700 GRIZZLY EPS CAMO 4WD, YXR 660 RHINO 4WD 1991-2008. Rings are thin steel bands sitting in the piston grooves. They press against the cylinder wall to hold compression and scrape oil.
The benefits:
Vertex has made its pistons in Italy since 1953 and has supplied KTM’s original pistons since 1996: molybdenum-disulphide coated skirt and Japanese rings. Its two-stroke pistons are cast from an 18 % silicon alloy. Its four-stroke pistons are forged from 2618 alloy.
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.
Cross-Mania tip: Check the ring end gap in the cylinder before fitting and respect the fitting direction (mark facing up).
Check the exact model and year of your bike in the list below before ordering.
Fits:
YAMAHA XTZ 660 TENERE 1996
YAMAHA XTZ 660 TENERE 1995
YAMAHA XTZ 660 TENERE 1994
YAMAHA XTZ 660 TENERE 1993
YAMAHA XTZ 660 TENERE 1992
YAMAHA XTZ 660 TENERE 1991
YAMAHA YFM 660 RAPTOR 2WD 2005
YAMAHA YFM 660 RAPTOR 2WD 2004
YAMAHA YFM 660 RAPTOR 2WD 2003
YAMAHA YFM 660 RAPTOR 2WD 2002
YAMAHA YFM 660 RAPTOR 2WD 2001
YAMAHA YFM 700 GRIZZLY EPS 4WD 2008
YAMAHA YFM 700 GRIZZLY EPS 4WD 2007
YAMAHA YFM 700 GRIZZLY EPS CAMO 4WD 2008
YAMAHA YFM 700 GRIZZLY EPS CAMO 4WD 2007
YAMAHA YXR 660 RHINO 4WD 2007
YAMAHA YXR 660 RHINO 4WD 2006
YAMAHA YXR 660 RHINO 4WD 2005
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