How To Rebuild The Engine Top End On Your 1997 – 2001 Honda CR250
I wanted to make this 2-stroke top-end rebuild as easy to follow as possible, so I’ve broken the top-end service into 15 steps that cover the removal, inspection, and installation of each component in order, followed by the leak down test and break-in.
In this video, we are going to cover what specialty tools and supplies you need, along with precautions and shop setup.
Click Here For The Full Step-By-Step Guide
Top End Rebuild Tools List: (Links to Amazon)
- Piston Pin Puller
- Piston Holder
- Machinists Straight Edge
- Feeler Gauges
- Telescoping Bore Gauges
- Digital Calipers
- Plastic Scraper
- Spark Plug Thread Follower
- Motion Pro Torque Wrench Adapter
- Molybdenum Grease
- Lithium Grease
Top End Rebuild Parts List: (Links to Amazon)
Honda CR250 Top End Service Steps:
- Step 1: Cylinder Head Removal (Video)
- Step 2: Cylinder Removal (Video)
- Step 3: Piston Removal (Video)
- Step 4: Exhaust Valve Removal (Video)
- Step 5: Piston Inspection (Video)
- Step 6: Cylinder Head Inspection (Video)
- Step 7: Cylinder Inspection (Video)
- Step 8: Exhaust Valve Inspection (Video)
- Step 9: Clearance Calculations (Video)
- Step 10: Exhaust Valve Installation (Video)
- Step 11: Piston Installation (Video)
- Step 12: Cylinder Installation (Video)
- Step 13: Cylinder Head Installation (Video)
- Step 14: Leak Down Test (Video)
- Step 15: Engine Break-In (Video)
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