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#9133 thumper_price (Visitor) Posts: 0 Overnight Problem? 5 Years, 8 Months ago   Not sure what is up but I'm getting frantic as I have reservations in Carson City for Thunder in the Comstock (Virginia City) and my Bike refuses to run correctly! Here's the rundown: Last weekend I changed the oil, went to 20W40 Royal Purple, and added a Pro One Oil cooler. Took the bike for a ride after and all was fine. Checked oil level and it was at the midway point in the hash-marks. I fueled up and parked it for the evening. The next morning I took off and got about one mile from the house and the bike was missing terribly! Lot's of black smoke! Pulled the plugs this a.m. and carboned badly. Tried adjusting pms, etc and still black smoke and the bike loads up at idle. I'm at a loss. And overnight? Just a coincidence? All help is appreciated! Thanks, Donald   Logged     The administrator has disabled public write access. #9134 Musky (User) Platinum Boarder Posts: 15137 Re:Overnight Problem? 5 Years, 8 Months ago   Can't see any way it would be the oil. If it was fine the night before you filled up and ran bad after then I would guess you got bad gas. Might be water in the gas. You could try tossing a can heat in the tank. Or you could drain the tank, get a couple bucks worth of gas (from a different station) and see what happens.   Logged       The administrator has disabled public write access. #9139 Cougar (User) Platinum Boarder Posts: 3210 Re:Overnight Problem? 5 Years, 8 Months ago   A stuck choke plate or dirty air filter or carburetor will cause black smoke as well......Coug   Logged       The administrator has disabled public write access. #9240 thumper_price (Visitor) Posts: 0 Re:Overnight Problem? 5 Years, 8 Months ago   Musky wrote: Can't see any way it would be the oil. If it was fine the night before you filled up and ran bad after then I would guess you got bad gas. Might be water in the gas. You could try tossing a can heat in the tank. Or you could drain the tank, get a couple bucks worth of gas (from a different station) and see what happens. Just tried emptying the gas and put new in..... Same thing. I did notice that when I pull out the choke it pops back in like it's already engaged..... I guess next I'll pull the carb and clean, check floats, and check choke....   Logged     The administrator has disabled public write access. #9241 Musky (User) Platinum Boarder Posts: 15137 Re:Overnight Problem? 5 Years, 8 Months ago   I did notice that when I pull out the choke it pops back in like it's already engaged..... Seems to me if the choke was stuck on it would push the cable out. But I could be wrong. Try and tighten the round rubber grommet right behind the choke knob. Not the plastic nut behind the mount. It turns just like a nut. The rubber grommet has a spring and ball inside that gives you your clicks when you pull the choke out. The ball pops into dentents. If you cable slides right back in I would say the grommet is loose. I'm not saying this will fix your problem but the cable shouldn't move that easy. I just recently found out the grommet was loose so my choke wasn't going all the way off when I had the knob pushed up tight against it. I was running with the choke on the first click all the time. Tightened up the grommet and problem solved.   Logged       The administrator has disabled public write access. #9247 DocShadow (Admin) Hmmmm .... send beer Admin Posts: 17615 Re:Overnight Problem? 5 Years, 8 Months ago   I think it's probably a coincidence. You may have been running rich for some time and the bike has now been fouled. Try spraying some Marvel Mystery Oil or fuel injector or carb cleaner lightly through the carb and see what comes out. What are your speces on your bike. Year ? Mods ? Jetting ? If the choke sticks in the carb, it sticks in the open postion and so would not pull the knob back in but you may also have some dirt in the choke plunger seat. Doc   Logged     My Bike Website   The administrator has disabled public write access. #9332 thumper_price (Visitor) Posts: 0 Re:Overnight Problem? 5 Years, 8 Months ago   thumper_price wrote: Not sure what is up but I'm getting frantic as I have reservations in Carson City for Thunder in the Comstock (Virginia City) and my Bike refuses to run correctly! Here's the rundown: Last weekend I changed the oil, went to 20W40 Royal Purple, and added a Pro One Oil cooler. Took the bike for a ride after and all was fine. Checked oil level and it was at the midway point in the hash-marks. I fueled up and parked it for the evening. The next morning I took off and got about one mile from the house and the bike was missing terribly! Lot's of black smoke! Pulled the plugs this a.m. and carboned badly. Tried adjusting pms, etc and still black smoke and the bike loads up at idle. I'm at a loss. And overnight? Just a coincidence? All help is appreciated! Thanks, Donald Well.... gave up and took the bike into the shop. Basically I was told that a cable was too tight, or had tightened, and the slide was held open enough and the accelerator pump was slightly engaged. This was flooding the engine. Also needed new sparkplugs. Bike sounds better than ever now! It has always seemed rich since having it jetted. Glad it was something simple!   Logged     The administrator has disabled public write access.

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