We have over 30 years' experience in the Machining and Fabrication Industry and over 40 years' experience in the Powersports Industry with Technical Certifications from Honda, Yamaha, Polaris, Kawasaki and Suzuki. We rebuild many 2 Stroke and 4 Stroke engines for Dirt Bikes, ATVs and Side-by-Side models. New for 2025 we will have Freshly Rebuilt Engines listed for sale and ready for installation. Our rebuilt engines will come with a complete list of parts that were replaced and a 30-day guarantee.
Some of our rebuilt engine projects that will be ready soon:
- 1970 Honda ATC US90-K0
- 1980 Honda ATC70
- 1983 Honda ATC70
- 1979 Honda ATC110
- 1985 Honda TRX125
- 1988 Honda TRX125
- 1983 Honda ATC200
- 1985 Honda ATC200S
- 1984 Honda ATC250R
- 1984 Yamaha YTM200E Yamahauler
Our engine rebuilding process listed below is very thorough.
- Clean Engine, Inspect and Prepare for Disassembly.
- Complete Engine Disassembly.
- Ultrasonic Clean all Engine Parts. De-Carbon Cylinder Head and Power Valve.
- Complete Inspection and Measuring of all Internal and External Engine Parts per Service Manual Specifications.
- Media Blast or Vapor Blast Engine Cases, Engine Covers, Engine Cylinder and Cylinder Head.
- Paint with OEM Color Match Paint and Oven Cure Paint.
- Inspect all Bearings, Clutch, and Transmission parts for wear or damage.
- Inspect Crankshaft runout per service manual specifications.
- Insp9ect Engine Cylinder Bore for out of round and taper per service manual specifications.
- Inspect Engine Cylinder Plating for wear or damage. Re-plate if necessary.
- Inspect Cylinder head, valve seats and camshaft for wear or damage per service manual specifications.
- Bore (if necessary) and Hone Engine Cylinder to next oversize piston per service manual specifications.
- Chamfer Ports (2 strokes). Relieve Exhaust Port.
- Resurface Cylinder Head and Cylinder Sealing Surfaces for flatness if necessary
- Cut Valve Seats, Grind and Lapp per service manual specifications.
- Rebuild Crankshaft (if necessary)
- Install New Bearings (as needed)
- Install New Clutch Components (as needed)
- Install New Piston, Piston Rings, Piston Wrist Pin and Piston Circlips
- Install New Electrical Components (if necessary)
- Install New Complete Engine Oil Seal Kit.
- Install New Complete Engine Gasket Kit.
- Assemble Engine. Replace any damaged hardware such as screws, nuts or bolts.
- Set Ignition Timing. Set Valve Clearance.
- Genuine OEM Parts will be used for all replacement parts based on availability.
- Customers will be contacted with accurate estimate. And receive a 10% discount on all parts.
- Contact us for more information.
- See our SHIPPING PAGE for tips on how to ship your engine
