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)

Or, hide this message: temporarily or permanently

Piston Diameter

Piston Diameter:
Standard (New):
No Letter (or A): 85.980 - 85.990 mm (3.3850 - 3.3854 inch)
B: 85.970 - 85.980 mm (3.3846 - 3.3850 inch)

Service Limit:
No Letter (or A): 85.970 mm (3.3846 inch)
B: 85.960 mm (3.3842 inch)

Oversize Piston Diameter:
0.25: 86.230 - 86.240 mm (3.3949 - 3.3953 inch)