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Yakaru · April 21st, 2021, 03:58 PM

Was dealing with the aftermath of winter on my 250s now that spring has returned, and since it's my first winter with them (way back when I had my first years ago was in Nevada/SoCal so there was no winter) had a few issues causing the engine to not want to turn over. Suspecting bad gas or gunky carbs I emptied the tank, opened up the carbs and sprayed them out, then locked everything back up and put in fresh gas and primed the petcock.

My race 250 seems to be running ok, but @Momaru's 250 is behaving strangely -- more specifically I turn the choke on and the bike starts and quickly revs quite high (6-7k RPMs) but even if I leave it there for a good 30 seconds to a minute if I turn it off it falls down to sub-1000 and stalls after a moment or two. I tried to go over the carb lid screws and the hose clamps to make sure they were solidly torqued but otherwise I'm at a loss for what to do to diagnose further. Can anyone advise?

April 21st, 2021, 03:58 PM	#1
Yakaru The Violet Vixen Name: Yakaru Location: Issaquah, WA & Las Vegas, NV Join Date: Jun 2012 Motorcycle(s): Perigee (250), Hotaru (250), Saturn (300), Pearl (300), Zero (S1000RR), Chibi (Z125), Xellos ('18 HP4R) Posts: A lot. MOTM - Jun '16	Winter recovery Was dealing with the aftermath of winter on my 250s now that spring has returned, and since it's my first winter with them (way back when I had my first years ago was in Nevada/SoCal so there was no winter) had a few issues causing the engine to not want to turn over. Suspecting bad gas or gunky carbs I emptied the tank, opened up the carbs and sprayed them out, then locked everything back up and put in fresh gas and primed the petcock. My race 250 seems to be running ok, but @Momaru's 250 is behaving strangely -- more specifically I turn the choke on and the bike starts and quickly revs quite high (6-7k RPMs) but even if I leave it there for a good 30 seconds to a minute if I turn it off it falls down to sub-1000 and stalls after a moment or two. I tried to go over the carb lid screws and the hose clamps to make sure they were solidly torqued but otherwise I'm at a loss for what to do to diagnose further. Can anyone advise? __________________________________________________ "most folks racing this bike get it in a competitive state of being with much less invested than you've already put in Saturn." - Alex