- Engine CCW KEC400 (same as john deere JDX6)
Note: the engine specs listed are based on my testing and gave the best results. After hard drving the machine overheating was a issue. Carburator tuning, spark plug adjustments, and switching from synthetic 2 stroke oil to conventional took care of the problem.
Timing - .009" btdc (make sure to oil the felt!)
Points gap - .014"
Plug - NGK B9HS .035" gap (wider gap than called for)
Fuel - premium grade 20:1 ratio with standard 2 cycle oil
Carburetor = Tillotson HR Tillotsonhr.pdf
- Transmission - apex - (same as coot)
Parts are still available for these transmissions. There are no other regular adjustments required.
Oil - ATF (general grade automotive) 8oz
Drive belt - Carlisle MAX2
Driven clutches -Formsprag Formspragclutchinstructions.pdf
Formsprag clutches and rebuild kits are still available from