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2 A . 2
Air-cooled two-stroke engine
50 cc FB2 and FB4 engines (continued)
Piston rings
Ring end gap (installed)
Standard
...............................................
Servicelimit(ma)
........................................
Connecting rod
Small-end inside diameter
...
Big-end side clearance
...
Crankshaft
Runout(ma)
.............................................
Diameter at main bearings
...................................
Torque settings
Alternator rotor nut
.........................................
...........................................
Crankcasebolts
Cylinderheadbol ts
.........................................
.......................................
Drivebeltcoverbolts
.........................................
Enginecoverbolts
Engine mountings
.............................
Crankcase-to-front bracket bolt
................................
Front bracket-to-frame bolt
...................
Engine/transmission case-to-rear shock bolt
Inlet manifold bolts
.........................................
Oil pump mounting bolts
....................................
.................................
Starter motor mounting bolts
100 cc FB6 engine
General
Type
....................................................
Capacity
.................................................
Bore
....................................................
Stroke
...................................................
Compression ratio
.........................................
Piston
Piston diameter (measured 25 mm down from lower ring groove,
at 90" to piston pin axis)
Standard
...............................................
Piston pin diameter.
.....
..............
Piston rings
Ring end gap (installed)
Standard
................
Service limit (max)
.....
Connecting rod
.................................
Small-end inside diameter
Big-endsideclearance
....................................
Crankshaft
Runout (ma)
..........
Diameter at main bearings
....
Torque settings
Alternator rotor nut
.........................................
Crankcasebolts
...........................................
Cylinderheadboks
.........................................
Drive belt cover bolts
.......................................
Enginecoverbolts
.........................................
Engine mountings
Crankcase-to-front bracket bolt
............
....
Front bracket-to-frame bolt
................................
Engine/transmission case-to-rear shock bolt
...................
Inlet manifold bolts
.........................................
Oil pump mounting bolts
....................................
Starter motor mounting bolts
.................................
Single cylinder two-stroke
99.9 cc
50.6 mm
49.7 mm
l l t o l
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