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Re: Honda *** will start and idle but when i accelerate...
Hello, I'm not familiar with the Model Name (I'm in the U.K.) however I used to have a lot of Honda Vision's, Melodys, Suzuki Love's come to my Shop with the same problem. If Your Machine is Two Stroke the chance are the exhaust is coked up/oiled up. So it is up to you to try my method of repair? get a long screwdriver and knock a small hole through the first and second baffles in the Exhaust/silncer. To do this you will have to go in/up the little hole on the exhaust where the smoke comes out and bash the screwdriver through with a hammer.Remember to pull it out as what you are hoping to achieve is free passage for the exhaust gasses. Sorted? Press the Blue button please to appraise my FREE! Effort. Thank You! Paul 'W' U.K.
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Does the bike run if you give it throttle past idle? The motor should accelerate and gain RPM's when doing so. If it does and gains RPM's but is sluggish in response, I would check to make sure it has good gas flow. Check flow off the petcock, if good, check gas filter on the motor side. If still not running correctly, I would check the air cleaner inside to make sure some critter didn't get in there and make a nest or something. Beyond those ideas, I would bring it to a profession shop or a friend in the know.
If the fuel pump is not delivering adequate fuel pressure and volume to the engine, the engine may not start or run properly. Low fuel pressure can cause hard starting, a rough idle, misfiring, hesitation and stalling. No fuel pressure will prevent the engine from starting, or will cause the engine to quit running if the fuel pump fails while driving.
Fuel injected engines are very sensitive to fuel pressure as well as fuel volume. Low pressure will cause starting and driveability problems. A pump that can deliver adequate pressure but not enough volume may allow the engine to start and idle normally, but it will starve the engine for fuel and cause a loss of power when the engine is under load, accelerating hard or cruising at highway speeds.
To adjust your idle speed there is a single screw (usually with a black plastic knob ) that hangs down between the two carburetors. Turning the knob will raise or lower the idle speed. Clockwise will raise the idle. Counter clockwise will lower the idle. Changing the idle speed will not lean or richen the mixture. To change the mixture you will have to rejet the carburetors. I assume the carburetors have been rejetted to compensate for an after market exhaust system. In which case the carburetors are set too rich (too big of a main jet size) to compensate for a bad flat spot in the acceleration. If this is the case, take out the main jets and replace them with the next smaller size. If the machine is stock then check your air cleaner. If it is restricted/dirty, then the extra vacuum caused by the dirty air filter is causing the rich mixture. Try changing the air filter or in stall a high flow air filter like a K&N. This will put the mixture back to normal.
i take it when u dont accelerate it sits at idle... if so when u rev the bike there may be a fuel issue, where the carby isnt getting enough fuel to rev the bike thus causing it to stall... the other option is it could be getting too much fuel and stalling... i would recommend taking it in to the shop if you dont know much about it... although if you are familiar cleaning the carby would bge a good start.. hope this helps
Sometimes Honda ATC's wont idle if the exhaust valve is too tight. Check and clean the slow circuit of the carburetor this should fix the other part of the idling problem. A carb gasket set from Honda should have all the components you need to properly seal the carb. Lastly, buy a new carb float needle this should stop the dripping unless you have damaged the drain screw on the bottom of the bowl. This can only be purchased as part of the complete bowl assembly.If you still are having problems after this, try adding an additional fuel filter between the tank and fuel petcock, just in case tank rust is the cause of the needle sticking open and dripping.
Sounds like: A: The starter clutch is slipping and not letting the starter engage the crankshaft B. The carbs need to be cleaned. If ti has sat unused for more than 30 days, the pilot jets are clogged up causing it to stall (off choke) and be sluggish on acceleration off idle.
You want to start with a valve adjustment, 0.004 ths, then set the timing, then the points at the high end 0.016 ths. this will create better voltage at the coils. Then sync the carbs last. It must be done in this order to give you the best results. If you need anymore info just call me. # (864) 993-9482 Ralan
Remove the water trap bowl at the bottom of the petcock, (gas valve). Any water or trash in the bowl? Drain a cup of gas from the tank. Any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ). Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.
Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the two screws on the outside throat of the carb and spray into the screw holes as well. < < READ CLOSELY > > Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road. If not, then remove the slide from the carb and move the clip on the jet needle one notch lower. Please rate this solution. Thanks hanoidan2005!