CONNECTING ROD KIT 70-89 YAMAHA RT 1 2 3 MX DT IT YZ 250 360 400 VINTCO KR2031
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VintCo KR2031 is a newly manufactured connecting rod kit for vintage Yamaha RT1, RT2, RT3, MX360, DT360, IT400, YZ250, YZ360 and YZ400 models. It is intended as a replacement for worn connecting rod assemblies and provides an alternative to replacing the complete crankshaft. The kit is manufactured using modern materials and production techniques for original-equipment-equivalent fit and performance. Includes the connecting rod, crank pin, big end bearing, wrist pin bearing and thrust washers. Connecting rod material is heavy-duty forged steel. Crank pin size is 12 x 25 x 60 mm. Big end bearing size is 25 x 32 x 20 mm. Wrist pin bearing size is 18 x 23 x 22 mm. Thrust washer size is 25 x 40 x 1 mm. VintCo Part Number: KR2031. Yamaha OEM Part Number: 431-11651-00-00. Weight is 495 grams.
- SKU
- VIN-KR2031
- Brand
- Vintco
- Availability
- In Stock (2)
Fitments (22)
| Make | Model | Year |
|---|---|---|
| YAMAHA | DT 360 | 1974 |
| YAMAHA | IT 400 | 1976 |
| YAMAHA | IT 400 | 1977 |
| YAMAHA | IT 400 | 1978 |
| YAMAHA | MX 360 | 1973 |
| YAMAHA | MX 360 | 1974 |
| YAMAHA | RT1 360 | 1970 |
| YAMAHA | RT1 360 | 1971 |
| YAMAHA | RT2 360 | 1972 |
| YAMAHA | RT3 360 | 1973 |
| YAMAHA | YZ 250 | 1983 |
| YAMAHA | YZ 250 | 1984 |
| YAMAHA | YZ 250 | 1985 |
| YAMAHA | YZ 250 | 1986 |
| YAMAHA | YZ 250 | 1987 |
| YAMAHA | YZ 250 | 1988 |
| YAMAHA | YZ 250 | 1989 |
| YAMAHA | YZ 360 | 1974 |
| YAMAHA | YZ 360 | 1975 |
| YAMAHA | YZ 400 | 1976 |
| YAMAHA | YZ 400 | 1977 |
| YAMAHA | YZ 400 | 1978 |
- SKU
- VIN-KR2031
- Brand
- Vintco
- Availability
- In Stock (2)
FULL DESCRIPTION
VintCo Connecting Rod Kit for Vintage Yamaha Motorcycles
Restore the performance of your vintage Yamaha with this newly manufactured connecting rod kit from VintCo. Designed as a direct replacement for worn connecting rod assemblies, this kit offers a cost-effective alternative to replacing the entire crankshaft.
Engineered using modern materials and advanced production techniques, the VintCo KR2031 kit ensures original-equipment-equivalent fit and reliable performance. It provides all the necessary components to rebuild your connecting rod assembly.
Key Features:
- Direct replacement connecting rod kit for select vintage Yamaha models.
- A smart alternative to replacing the complete crankshaft assembly.
- Constructed with modern materials and precision manufacturing for lasting durability.
- Designed for an original-equipment-like fit and performance.
- Comprehensive kit includes: connecting rod, crank pin, big end bearing, wrist pin bearing, and two thrust washers.
- Detailed connecting rod dimensions and images are available for verification.
Specifications:
- Connecting Rod Material: Heavy-duty forged steel
- Crank Pin Dimensions: 12 x 25 x 60 mm
- Big End Bearing Dimensions: 25 x 32 x 20 mm
- Wrist Pin Bearing Dimensions: 18 x 23 x 22 mm
- Thrust Washer Dimensions: 25 x 40 x 1 mm
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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