Question about Motorcycles
Wont start when cold, rough idle, poor acceleration.
Hi Darryl, and the usual suspects are:
1. Throttle cables misaligned or misrouted (may also affect idle speed).
2. Damaged or restricted fuel tank venting system.
3. Inlet system air leak.
4. Vacuum piston malfunction.
5. Accelerator pump leaking or no output.
6. Plugged bowl vent.
7. Fuel level in bowl too low.
8. Restricted fuel supply passages.
9. Plugged jets or passages.
10. Worn or damaged needle or needle jet.
12. Enrichner valve not seated or leaking.
For more information about your issue please visit the websites below. Good luck and have a nice day.
Honda Motorcycle Service Repair Workshop Manuals
Posted on Oct 04, 2015
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Posted on Jan 02, 2017
you must rejet the carbs to work with aftermarket pipes, which if louder you need bigger jets to deliver more fuel, also, hammering affect under load is usually faulty plugs, which may have carbonized from running to lean
Posted on Jul 22, 2009
check fuel level, u may need to check the flow of petrol to it,,Also if that does not solve you may need to service the carb and check fuel filter,air filter etc...
Posted on Aug 31, 2009
SOURCE: 2002 HONDA SHADOW ACE 750 CARB
It sounds like you may have or will be jetting your carbs. I did this using the directions with the kit and used the Clyman manual for this bike to show me step by step how to remove the carborator. You will only need to attach 2 of the 4 hoses on your carb. syncronizer. If I remember right, you need to remove the bolt-on cooling fins to expose the engine block. The is a black screw or bolt that you take out and screw the threaded metal adapter of the sync tool. Be careful using the sync tool. Be very light on the throttle or the vacuum in the cylinder will **** in the mercury from the sync tool - not good. The problem you are stating on idle & backing off sometimes happens when the carbs are running rich (too much fuel) Hope that gets you in the right direction.
Posted on Oct 03, 2009
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