AD Boivin 2002 Snow Hawk, Service Manual

Page: 56 / 173

ENGINE / CYLINDERS AND CYLINDER HEADS 7 - 6
Ref. P/N Qty
Crankshaft and pistons / Rotax 503
Part Descriptions
1 420 9964 46 1 Crankshaft Assy.
2 420 8322 31 3 Roller bearing 6207
3 420 2501 65 5 O-ring, 64 mm
4 420 8319 50 2 Oil seal
5 420 2460 55 1 Woodruff key
6 420 9457 59 1 22 mm Lock washer
7 420 8422 30 1 M22 Hex nut
8 420 8323 20 2 Cageless needle bearing
9 - 11 420 9962 45 2 Piston Assy. 72.0 mm
420 9962 46 Opt Oversize Piston Assy. 72.25 mm
420 9962 47 Opt Oversize Piston Assy. 72.50 mm
10 420 9158 50 2 Rectangular ring 72.00 mm
420 9158 51 Opt Rectangular ring 72.25 mm
420 9158 52 Opt Rectangular ring 72.50 mm
11 420 2152 35 2 Semi-trapezoidal ring 72.00 mm
420 2152 36 Opt Semi-trapezoidal ring 72.25 mm
420 2152 37 Opt Semi-trapezoidal ring 72.50 mm
12 420 9161 85 2 Piston pin
13 420 9457 35 4 Circlip
14 420 9945 64 2 Crankshaft repair kit
15 420 8182 42 1 Crankshaft PTO