Vertex WR101-018 Engine Rebuild Kit - Honda CR85R / CR85RB (2005-2007)
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The Vertex WR101-018 Engine Rebuild Kit (0903-0958) delivers a full OEM-quality overhaul for the 2005-2007 Honda CR85R and CR85RB Expert two-stroke engines. This all-in-one kit includes everything needed to restore factory compression, throttle response, and smooth operation - all in one convenient box.
✓ Fits:
- 2005 Honda CR85R
- 2006 Honda CR85R
- 2007 Honda CR85R
- 2005 Honda CR85RB Expert
- 2006 Honda CR85RB Expert
- 2007 Honda CR85RB Expert
✓ Features:
- Complete 2-stroke engine rebuild kit (top + bottom end)
- OEM-level fitment and race-ready reliability
- Includes crankshaft, piston, bearings, and gaskets
- Restores compression and power delivery
- Ideal for youth MX racers and track-ready builds
✓ What's Included:
- Vertex WR101-018 Engine Rebuild Kit - Honda CR85R / CR85RB
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.