I have a ts400 that was bought used and at the time of purchase was running, it sat for awhile and i had troubles starting so i ended up rebuilding the carb and got it to start but it wouldnt idle so i dug further and found it needed new bearings and seals on the crank and that there was very minor scarring on the piston and cylinder so i replaced all of them with new parts and gaskets as well as the clutch and belt and carburetor and spark plug and decompression valve and all 3 air filters and fuel filter with new lines and a new starter paw. all with brand new parts, i adjusted the carb to one turn off base and have good 50:1 mix fuel that is efficiently being pulled into the cylinder as the plug is usually wet after several no start pulls. i poured a small amount of oil in the spark plug hole prior to first start up to help the rings seat, verified the tank vent was functional and that it is sparking. i have not yet run a compression check but like i said everything is brand new. now it will start up quickly one time within a couple pulls and run as long as i keep the choke open and the throttle depressed at any amount but as soon as i close the choke or release the gas it stalls and dies, like immediately as you let go. im at a loss as ive been making carb adjustments and ripping the pull cord for two days now and nothings changed.
Fully rebuilt TS400 hard to start and dies as soon you let off throttle.
- Thread starter Burr
- Start date
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