Main Bearing and Seal Kit 76-81 Maico Gs 250 400 440 490 Vintco KMB028

VintCo KMB028 is a newly manufactured main bearing and seal kit for selected 1976-1981 Maico models, intended for vintage bike engine rebuilds. The kit includes two main bearings and two oil seals / crankshaft seals, and is manufactured using modern materials and manufacturing techniques to provide OEM-equivalent or better fitment and performance. OEM part numbers are provided as a reference to help confirm exact fitment.

Features

• Complete main bearing kit
• Includes two main bearings and two oil seals / crankshaft seals
• Intended for vintage bike engine rebuilds
• Manufactured using modern materials and manufacturing techniques
• OEM part numbers provided as a reference for exact fitment
• Designed for OEM-equivalent or better fitment and performance

Specifications

• VintCo Part Number: KMB028
• Bearing size: 25 x 62 x 17
• Bearing size: 25 x 62 x 25
• Seal size: 25 x 52 x 8
• Seal size: 32 x 52 x 8

Cross-Reference OEM Part Numbers

• Bearing 25 x 62 x 17: OE# 426
• Bearing 25 x 62 x 25: OE# 693
• Seal 25 x 52 x 8: OE# 3469
• Seal 32 x 52 x 8: OE# 547

Vehicle Fitments

• 1976 Maico 400
• 1976 Maico 440
• 1977 Maico 250
• 1977 Maico 400
• 1977 Maico 440
• 1978 Maico 250
• 1978 Maico 400
• 1978 Maico 440
• 1978 Maico GS 400
• 1978 Maico GS 440
• 1979 Maico 250
• 1979 Maico 400
• 1979 Maico 440
• 1979 Maico GS 400
• 1979 Maico GS 440
• 1980 Maico 250
• 1980 Maico 400
• 1980 Maico 440
• 1981 Maico 400
• 1981 Maico 490
• 1981 Maico 250