yamabraaaper
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Hi I'm the not so proud owner of a tmaxx 3.3. I'm the third owner and have had nothing but trouble, I've sealed and resealed the engine a hundred times and still have oil everywhere its spraying from the flywheel, and the header and plastic back plate from the pull start are covered in it. its leaking a thin black liquid from the gap between the black plastic and brass on the hsn. I've replaced the tank, fuel lines, pipe, header (with no rubber oring just sealant),front bearing, clutch shoes, flywheel,and rebuilt the carb. I've taken the engine apart completely and cleaned/oiled every part. I can push the piston through the sleeve with about 1/4 inch until flush with the top (cold). I've pressure tested it after sealing it and it only leaks from the brand new front bearing ( doesn't explain the oil everywhere)I'm unsure if its a problem or not but the rear diff is locked.
I had re sealed and cleaned everything one last time, got it built, tuned it, and it ran like a dream. Ran between 180 and 210 Fahrenheit any more lean and it would cut out at mid throttle. in the process of tuning it wouldn't get past half rpm and sounded like death untill the sweet spot where it would wheelie from a stop. After about 5 min of running it would die and not start unless at 3/4 throttle even then it would die five feet from me and be really hard to start. After running for a min the one way would slip until I let it sit and dry out.
Sorry this thread us so roughly put together I was thinking of problems as I went.
I had re sealed and cleaned everything one last time, got it built, tuned it, and it ran like a dream. Ran between 180 and 210 Fahrenheit any more lean and it would cut out at mid throttle. in the process of tuning it wouldn't get past half rpm and sounded like death untill the sweet spot where it would wheelie from a stop. After about 5 min of running it would die and not start unless at 3/4 throttle even then it would die five feet from me and be really hard to start. After running for a min the one way would slip until I let it sit and dry out.
Sorry this thread us so roughly put together I was thinking of problems as I went.