Question about 2003 Honda VTX 1800 Retro Cast
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Posted on Jan 02, 2017
Check for a blocked airbox vent, sometime we put things under the seat that will cover the airbox inlet which will automatically make the bike run extremely rich and all that needs to be done is to remove the paper or gloves or whatever there is blocking the inlet snorkel. You may also want to check for tight intake valves too. That is classic Honda, tight valves will cause a rich mixture all the time if it is the intake valves making the problem.
Please let me know if this works, if not give me more specific data and I will better assist you.
Posted on Dec 07, 2008
SOURCE: 05 honda vtx 1800 runs rough
Your carb idle pins/needle valves are either fouled or worn/damaged. Or floats that control your equilibrium for gas distribution throughout the carb array are not working together with valves/pins. Has this bike set a spell, at least once for too long of an interval? I'd pull the whole darn carb setup and inspect/clean, then reinstall exactly to specs. Ask for the very best teardown/rebuild cleaner for carbs at the parts store! Betcha a little elbow grease and a perfect dismantle and clean, then rebuild is all you need! Been there----Did dat!
Posted on Jan 13, 2009
The factory fill is 4.3 litres. Thats new empty lines...etc.
3.75 to 3.9 quarts is a normal drain.
Heres a link for the complete service manual on the VTX 1800C
It's a big download about 50MB in PDF format
Hope this helps...ride safe and ride smart.
Posted on May 29, 2009
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