Crankshaft & Piston
| Crankshaft & Piston | ||||
|---|---|---|---|---|
| Tag # | Description | Yamaha Part # | Qty Required | Notes |
| Crankshaft & Piston | ||||
| 1 | Crankshaft Assembly | 3Y6-11400-00-00 | 1 | |
| 2 | Crank 1 | 3Y1-11412-09-00 | 1 | |
| 3 | Crank 2 | 3Y6-11422-01-00 | 1 | |
| 4 | Pin, Crank 1 | 3Y1-11681-00-00 | 1 | |
| 5 | Bearing, Cylindrical | 93310-831H1-00 | 1 | |
| 6 | Rod, Connecting | 3Y1-11651-00-00 | 1 | |
| 7 | Bearing | 93306-30622-00 | 1 | |
| 8 | Piston | 3Y1-11631-00-A0 | 1 | Standard U.R. Size A |
| 8 | Piston | 3Y1-11631-00-X0 | 1 | Standard U.R. Size B, Color B:BLUE:G016 |
| 8 | Piston | 3Y1-11635-00-00 | 1 | 1st Oversize, 0.25mm |
| 8 | Piston | 3Y1-11636-00-00 | 1 | 2nd Oversize, 0.50mm |
| 8 | Piston | 3Y1-11637-00-00 | 1 | 3rd Oversize, 0.75mm |
| 8 | Piston | 3Y1-11638-00-00 | 1 | 4th Oversize, 1.00mm |
| 9 | Piston Ring Set | 3Y1-11610-00-00 | 1 | Standard |
| 9 | Piston Ring Set | 3Y1-11610-10-00 | 1 | 1st Oversize, 0.25mm |
| 9 | Piston Ring Set | 3Y1-11610-20-00 | 1 | 2nd Oversize, 0.50mm |
| 9 | Piston Ring Set | 3Y1-11610-30-00 | 1 | 3rd Oversize, 0.75mm |
| 9 | Piston Ring Set | 3Y1-11610-40-00 | 1 | 4th Oversize, 1.00mm |
| 10 | Pin, Piston | 447-11633-00-00 | 1 | |
| 11 | Circlip | 93450-22027-00 | 2 | |
| 12 | Key, Straight | 90282-07019-00 | 1 | |
| 13 | Weight, 1 | 3Y1-11454-00-00 | 1 | |
| 14 | Bearing | 93306-30525-00 | 1 | B6305 |
| 15 | Bearing | 93306-30526-00 | 1 | 83A539SN2-9C3 |
| 16 | Washer, Plate | 90201-20792-00 | 1 | |
| 17 | Washer, Bearing Cover | 3Y1-11565-00-00 | 2 | |
| 18 | Boss, Buffer | 3Y1-11496-00-00 | 1 | |
| 19 | Spring, Compression | 90501-21133-00 | 6 | |
| 20 | Pin, Dowel | 93605-10090-00 | 3 | |
| 21 | Gear, Balance Weight | 3Y1-11531-00-00 | 1 | 43 tooth |
| 22 | Key, Straight | 90282-05013-00 | 1 | |
| 23 | Washer, Lock | 90215-20158-00 | 1 | |
| 24 | Nut | 90179-16018-00 | 1 | |
| 25 | Key, Woodruff | 90280-05013-00 | 1 | |
| 26 | Washer, Plate | 90201-12593-00 | 1 | |
| 27 | Washer, Spring | 92901-12100-00 | 1 | |
| 28 | Nut | 90170-12067-00 | 1 | |