Modern FIM catalogs often use codes to denote specific features:
Standard pistons are rarely used in rebuilds because cylinder bores wear out. The catalog provides: katalog piston fim
The distance from the center of the pin hole to the top edge of the piston. This determines how "flush" the piston sits at the top of its stroke. 4. Understand Special Suffixes Modern FIM catalogs often use codes to denote
: Common pin sizes like 13mm , 14mm , or 15mm are clearly specified to ensure proper fitment with the connecting rod. katalog piston fim
subsidiary, making it a primary choice for both original equipment manufacturer (OEM) replacements and aftermarket "bore-up" kits. FIM Piston Series & Key Sizes