Description
- Dual stage reeds
- Minor change gives major H.P. improvements
- Faster opening and closing
- Greater low pressure (Low-throttle) response
- Greater velocity and flow area
- Longer overall life
- No engine damage if broken
640 made by Boyesen
Motorcycle Reeds
$41.95
For 78-89 Yamaha IT/YZ 250-490
In stock
Additional information
| Weight | 0.10 lbs |
|---|---|
| Dimensions | 10.00 × 5.70 × 0.20 in |
| Make | Model | Engine | Year |
|---|---|---|---|
| Yamaha Motorcycle | IT250 | 246 | 1979 - 1983 |
| Yamaha Motorcycle | IT425 | 425 | 1980 |
| Yamaha Motorcycle | IT465 | 426 | 1981 - 1982 |
| Yamaha Motorcycle | IT490 | 490 | 1983 - 1984 |
| Yamaha Motorcycle | YZ250 | 250 | 1980 - 1982 |
| Yamaha Motorcycle | YZ250 | 250 | 1989 |
| Yamaha Motorcycle | YZ250WR | 250 | 1989 |
| Yamaha Motorcycle | YZ490 | 490 | 1982 - 1983 |
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