rubenz Posted August 13, 2011 Report Share Posted August 13, 2011 Some may remember i have been having problems with my idle staying around 1800 rpms due to i believe a choke issue and i was wondering if replacing the carbureator choke pull off and the carb choke thermostat could help remedy the situation. thoughts? Quote Link to comment
ggzilla Posted August 13, 2011 Report Share Posted August 13, 2011 Carburetor choke pull-off cannot cause this problem. It's only job is to pull the choke open about 1/8" as soon as the engine starts. If that doesn't happen if will run rough for 30 seconds is all. If the pull-off is leaking it will cause a vacuum leak, but not 1800 RPM worth. If the choke thermostat is bad, the choke will stay on, and you can easily confirm that. After you've run the engine a while, take the air cleaner lid off and shine a flashing down the carb. Is the choke fully open, or still partially closed? They rarely go bad, so if the choke is not open it is probably a wiring problem, not a bad thermo. Get your voltmeter out to choke. How much voltage is reading at the choke? Quote Link to comment
datzenmike Posted August 14, 2011 Report Share Posted August 14, 2011 Check with motor running... Quote Link to comment
rubenz Posted August 16, 2011 Author Report Share Posted August 16, 2011 I had previously checked the choke and it stays close at all times basically. Every once in a while i can get the rpms to drop by goosing the throttle but majority of the time the choke is on which causes it to rev. I will check with a voltage meter today and see what it reads. What sort of power should i be seeing at the choke? Quote Link to comment
ggzilla Posted August 17, 2011 Report Share Posted August 17, 2011 it stays close at all times basically Almost for sure, the choke is not getting electricity. No need to buy new parts. It should get 6 or 12Volts when the engine is running. It's probably getting zero. For testing, you can run a new wire from the choke over to the + terminal of the coil. Quote Link to comment
jon521 Posted August 17, 2011 Report Share Posted August 17, 2011 Along with my other problems (fuel pump going out) while going to blue lake, fastdadd pointed out to me my choke plates were not open like they should be, so i have a similar problem, but my idle is not at 1800. for the time being, you can turn down your high idle screw, until you fix it. im not sure what my problem is tho.... Quote Link to comment
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