Crankcases - Disassembly

Warning - General - Stabilise Motorcycle

warning
Make sure the motorcycle is stabilised and adequately supported.A correctly supported motorcycle will help prevent it from falling.An unstable motorcycle may fall, causing injury to the operator or damage to the motorcycle.
caution
The upper and lower crankcases are machined as a matched set and must never be assembled to non-matching halves. Doing so may cause seizure of the engine.

Perform the following operations

Perform the following operations:

Engine - Remove - L Series

Clutch - Remove L Series

Camshaft Cover - Remove L Series

Sump - Removal L Series

  1. Invert the engine to give access to the lower crankcase bolts.
    2. caution
    Failure to follow the correct screw release sequence may result in permanent crankcase damage.
  2. Release the lower crankcase bolts in the sequence shown in the diagram below. Note the position of the hardened washers under bolts 19 to 26.
    3. LG1 crankcase undo

    Crankcase Bolt Release Sequence

  3. Separate the lower and upper crankcases ensuring that the three locating dowels remain in the upper crankcase.
    4. caution
    Do not use levers to separate the upper and lower sections of the crankcase or damage to the crankcases could result.
    note
    The position of each individual bearing shell. At this point the transmission shafts, balancer, crankshaft, bearings etc. can be removed.

Perform the following operations

Perform the following operations: