Question about 1999 Honda VT 1100 C Shadow Spirit
Could be several things
1-- coolant radiator is partially blocked or the thermostat is not fully opening reducing the flow of coolant through the radiator
2--- tuning is too lean at full load which causes overheat conditions for the engine
3--- timing a bit retarded for the rpms
i t is all connected to the extra load from the head winds requiring extra throttle that you would not normally use in normal conditions
another place to check is the fairing in use as the extra wind speed from the bike and the head wind may be causing a turbulence around the radiator and so preventing full air flow to the radiator
Posted on May 06, 2017
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Posted on Jan 02, 2017
Check vacuum line from #6 intake runner (port side rear cylinder) to the fuel petcock valve. The valve is vacuum operated for safety. It cuts off fuel to the carbs when the engine is shutdown. Hose could be cracked or diaphram in valve is cracked. Easy to inspect the valve.
Posted on Jun 07, 2009
I guess you will have to reset the air-mixture screws of the carburator/s.
Not bad if you check the condition of the spark plugs...if its ..'Whitish' means lean i.e. less gas in, Brownish...means ok, 'Blackish'...means too much gas in .....'rich'
In your bike's case you may find it 'whitish'.
Hope this helps !
Posted on Jul 19, 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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