Yamaha YK250XGC Installation Manual page 68

Base cover
■
It is recommended to replace the seals with new ones. If these parts are not replaced or reattached, the dust/drip proof
performance or the degree of cleanliness may lower.
2
2-20
Removing the base front cover
Base front cover
Removing the base rear cover
Base rear cover clamping bolt
Hex socket head bolt M4, length 18, stainless, 4 pcs.
(YAMAHA's part No.: 91380-04018)
Seal (9)
Base front cover clamping bolt
Hex socket head bolt M4, length 12, stainless, 4 pcs.
(YAMAHA's part No.: 91380-04012)
Seal (9)
23226-HM-00
Base rear cover
23227-HM-00