i bought a 1988 j.d 318 with an onan pretty cheap....it had a bad starter and flywheel. i bought a new starter and flywheel./....installed it....it test run fine on the bench.....i put the engine back in the tractor...it started up fine one time...them the starter sounded like ****....the teeth on the flywheel are getting burred up. im at lost with whats going on with this????? it does have the extra solonoid box sol;d by john deere.....i took the wiring off and bypassed this..starter still dont sound good. what the **** am i missing here???? i been around john deeres all my life..thuis one has me puzzled. im ready to buy a whole new engine. i have reapinted the whole machine..restored to showroom condition. i cant quit now. please give me some advice????? i even have a brand new battery in it. onans are supposed to be great engines...this one here is becoming a pain in my ***.