# QuadBoss Crankshaft Bearing Kit

Koyo precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.

-   Double-lip PTFE seals help tolerate dry starts with reduced pin wear
-   Premium crank bearings for accurate crankshaft support and alignment
-   Direct-fit components to simplify bottom-end rebuilds
-   Designed for high-rpm, high-load ATV/UTV engine use

This Part Fits:

Year

Make

Model

Submodel

1985-1986

Honda

ATC250R

Base

1986-1989

Honda

TRX250R

Base

## Details

- **Price:** 149.75 CAD
- **Vendor:** QuadBoss
- **Type:** Bearings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.75 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/quadboss-crankshaft-bearing-kit)
> Updated: 2026-06-27