Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Piston, Engine
Piston diameter
Distance
8.9 mm (0.3504 in.)
Standard
93.960 to 93.980 mm (3.6992 to 3.7000 in.)
Maximum
93.830 mm (3.6941 in.)
Oil clearance
Standard
0.02 to 0.052 mm (0.0008 to 0.0020 in.)
Maximum
0.06 mm
Piston ring groove clearance
No. 1
0.020 to 0.070 mm (0.0008 to 0.0028 in.)
No. 2
0.020 to 0.060 mm (0.0008 to 0.0024 in.)
Oil
0.070 to 0.150 mm (0.0028 to 0.0059 in.)