I recently took my 83 honda cx650 on a lengthy interstate trip. Filled up during a break and got the bottom of the tank it seemed. It took 10 minutes for 3 gallons. When I got off the interstate my pipes were smoking and the bike was sputtering. They temp gauge was around halfway but hasnt worked since. I turned the bike off and didnt ride it for days. Then it started back up fine and is ridin normal. I did eventually siphon the gas. What do you think caused this to happen. Also since then it seems to idle at 2000 instead of 1500 once it warms up and also doesnt start up as quick. Its my first street bike please help.
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Re: 83 honda cx650 smoking one day not the next
The sputtering was a bit of water in the bad gas you got and the smoke was probably from a bit of diesel fuel that was put into a gasoline storage tank in error. The temp guage going bad is just one of those things that happen from time to time, probably just a bad sensor. The idle speed change is a bit quirky but easy to adjust. Stick a fresh set of plugs in the bike and the starting problem should clear up.
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Does it use any oil, or lose any coolant? If not, do you make a lot of short trips, then shut it off by chance? If your not using oil, or coolant, then I'd say take it on a long drive at highway speeds to drive out the moisture laying in your exhaust system. Recently had a muffler go on wife's car that does a lot of short trips, and old muffler was almost full of water from condensation and obviously poor exhaust design, that allowed it to build up like that. Took it next night on trip about an hour away. Every time I took off, or passed a car, white smoke rolled out the back. On way home, it stopped and cleared up.
No it's the Tork Converter lockup Switch and if the fluid is not burned the tork converter may be going out, sometimes they do not replace the tork converter when rebuilding the transmissions, sometimes you save $200.00 sometimes you lose it. Check fluid level and see if it's brown if it is and smells like onions have the transmission oil and filter changed and have them flow test the transmission oil cooler. If it is plugged it could cause this as well.
if alternator is fine as you say next thing to look at is the voltage regulator,it may have gone open circuit,whereby it wont work,another thing is your battery klight on the dah still working,because if this is not working the alternator wont work(same as a car)as the alternator needs to detect 12v at the diode before it will work,,,hope this helps
There are a few things that you can do ..you can either purchase a dye that is mixed in and checked with a uv lamp at a parts store...
A visible inspection of all heater & radiator hoses including the heads and radiator and placing a large piece of cardboard under the vehicle to show that there is a leak and also check the tail pipe for excessive liquid with a sweet smell and a lot of white smoke...(head gasket). Useually a mechanic does the visible and if he can not find the loss of coolent he would add a dye.
Have you checked that you have power to the coil on cranking?You may also want to check wether you have a good strong spark at the spark plug.It could be an ignition module breaking down.If you have no power to the coil you may need to change the ignition relay.Its close to the battery.