Feature a longer midsection than the R-304 for stronger mid to high RPM performance
Excellent replacement for the OEM silencer while offering impressive performance gains
6061 T-6 brushed aluminum housing, stainless steel tubing and end cap
Double-walled mounting brackets
FIM-approved 304 stainless steel end cap
Steel Allen-head screws for easy re-building/ repacking
Exclusive E-glass pillow packing
Fits
Manufacturer
Model
Year
YAMAHA
YZ 490
1984
YAMAHA
YZ 490
1985
YAMAHA
YZ 490
1986
YAMAHA
YZ 490
1987
YAMAHA
YZ 490
1988
YAMAHA
YZ 490
1989
YAMAHA
YZ 490
1990
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