What causes decel to pop on Honda Shadow ACE Tourer?
The popping on decel is caused by a lean fuel mixture being ignited by the spark on the exhaust stroke. The air cut off valve is there to assist in richening the mixture by reducing the amount of air in the mix. However there are other places for air to get in. Exhaust pipe at the head with leaky gasket, carb boots.
Why is my Honda Shadow Ace backfiring so bad?
BTW, if you need to replace the header bolts, a Saturn L1000 engine header bolt is the same size. 2) An air leak in the intake area. This could be from a rotted boot, missing vacuum port plug, miss seated carb or too lean of an air/fuel mixture.
Where does extra fuel go in a Honda Shadow Ace?
In most Hondas like the “T” the extra fuel is injected thru the same port as the choke circuit. The valve cover is about the size of a quarter with two tabs sticking out at about 9 and 2 o’clock with two screws. Loosen the screws while holding the cover because there is a spring behind it. Also keep an eye out for the oring on the vacuum port.
Why does my motorcycle make a noise when I Turn on the engine?
The exhaust gases leaving the engine have a lot higher pressure than the ambient air around us, so if there is even the slightest hole between the cylinder head and the exhaust header then the fumes will escape and create quite a noise. The best way to fix this is to tighten down your exhaust headers.
What causes a motorcycle to have intermittent spark?
When there is fuel and air in your cylinder and the spark plug doesn’t ignite it, it gets pushed out of the cylinder on the compression stroke and as soon as it hits the hot exhaust header it combusts. An intermittent spark can be caused by the spark plugs, the spark plug wires, or the ignition coil.
Why is the spark plug on my motorcycle not working?
If your timing is off and the spark gets to the end of the spark plug a little too late then the exhaust valve in your cylinder head will have started to open, and the spark plug finally sparks.
How many turns open are mixture screws on Ace 750?
I have learned a few things about the ACE 750 that I would like to update everyone with. First, it is apparent that not all the 750’s come from the factory with the mixture screws turned out to 2 1/4 turns open as the Service Manual indicates they should be.
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