VintCo KMB024 is a main bearing and seal kit for vintage Yamaha engines, intended for engine rebuilds requiring replacement crankshaft main bearings and main seals. The kit includes two main bearings and two oil seals, manufactured using modern materials and manufacturing techniques for OEM-equivalent fitment and performance on the listed Yamaha IT, MX, TZ and YZ models.

Features

• Complete main bearing kit for engine rebuild applications
• Includes two main bearings and two crankshaft oil seals
• Intended for vintage Yamaha models listed below
• Designed to provide exact fitment using OEM part number references
• Suitable for replacing worn main bearings and seals during rebuilds

Specifications

• VintCo Part Number: KMB024
• Item Category: Main Bearing Kit
• Kit Contents: 2 main bearings, 2 oil seals

Cross-Reference OEM Part Numbers

• Bearing: 93306-20529-00
• Bearing: 93306-30421-00
• Seal: 93103-25125-00
• Seal: 93103-28011-00

Vehicle Fitments

• 1976 Yamaha MX125
• 1976 Yamaha YZ175
• 1976 Yamaha YZ125X
• 1977 Yamaha IT175
• 1977 Yamaha YZ100
• 1978 Yamaha YZ125
• 1978 Yamaha IT175
• 1978 Yamaha YZ100
• 1979 Yamaha YZ125
• 1979 Yamaha IT175
• 1979 Yamaha YZ100
• 1980 Yamaha IT125
• 1980 Yamaha TZ125
• 1980 Yamaha YZ100
• 1981 Yamaha YZ100
• 1981 Yamaha IT125