89 TransAlp Manual Crankshaft Transmission 1

11. CRANKSHAFT/TRANSMISSION

SERN/ICE INFORMATION    11-1

TROUBLESHOOTING    11 -2

CRANKCASE SEPARATION    11 -3

CRANKSHAFT/CONNECTING ROD REMOVAL    11-4

CRANKPIN BEARING    11 -5

MAINBEARING    11-7

CONNECTING ROD/CRANKSHAFT INSTALLATION    11-9

TRANSMISSION REMON/AL    11-10

CRANKCASE BEARING REPLACEMENT 11-12

TRANSMISSION INSTALLATION    11-14

CRANKCASE ASSEMBLY    11-15

SERVICE INFORMATION

GENERAL

•    To service the connecting rods, crankshaft and transmission, the crankcase must be separated.

•    Ali bearing inserts are select fitted and are identified by color codę. Select replacement bearings from the codę tables. After installing new bearings, recheck them with plastigauge to verify oil clearance.

•    Apply molybdenum disulfide grease to the main journals and crankpins during assembly.

•    To service the connecting rods, crankshaft and transmission, the engine must be removed from the frame (page 6-2) and the crankcases must be separated.

•    Before separating the crankcase, the following parts must be removed.

•    Cylinder head ISection 9)    •    Flywheel (Section 8)

•    Cylinder/piston (Section 10)    •    Starter motor (Section 18)

•    Clutch/gearshift linkage (Section    7)    •    Water pump (Section 51

SPECIFICATIONS    mm(in|