Cam Specs
With any of the engines, the cam bolt and lock washer should be replaced frequently. Be sure to use a liberal amount of blue Loctite on the cam bolt and torque to the specifications in the manual. Timing checked at 0.040 in. (1 mm) lift, 0.00 clearance Running clearance 0.004 in. (0.1 mm)
| Cam | Lift | Duration | Open | Close | |
|---|---|---|---|---|---|
| 660 | 7.9mm | 225° | 2.5° BTDC 42.5° BBDC |
42.5° ABDC 2.5° ATDC |
IN EX |
| 665 | 7.8mm 7.87mm |
240° 225° |
4° BTDC 36.5° BBDC |
56° ABDC 8.5° ATDC |
IN EX |
| 667 | 229° | ||||
| 670 | 8.9mm | 261° | 13.5° BTDC 90.5° BBDC |
67.5° ABDC 20.5° ATDC |
IN EX |
| 675 | 9.65mm 9.56mm |
297° 285° |
45.5° BTDC 74.5° BBDC |
71.5° ABDC 30.5° ATDC |
IN EX |
| 700 | 220° 240° |
||||
| 800 | 9.3mm | 249° | 12° BTDC 55° BBDC |
57° ABDC 14° ATDC |
IN EX |
| 802 | 249° 260° |
||||
| 805 | 9.64mm | 248° | 12° BTDC 54° BBDC |
56° ABDC 14° ATDC |
IN EX |
| 860 | 10.55mm | 292° | 44° BTDC 72° BBDC |
68° ABDC 40° ATDC |
IN EX |
| 865 | 9.67mm | 269° | 20° BTDC 65° BBDC |
69° ABDC 24° ATDC |
IN EX |
| MC x6 | 0.450″ | 264° | 24° BTDC 60° BBDC |
60° ABDC 24° ATDC |
IN EX |
| MC x11 | 0.420″ 0.405″ |
278° 274° |
33° BTDC 66° BBDC |
65° ABDC 31° ATDC |
IN EX |
| MC x20 | 0.450″ 0.422″ |
290° 292° |
42.5° BTDC 63.5° BBDC |
67.5° ABDC 38.5° ATDC |
IN EX |