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2003 Yamaha V Star 1100 Custom Questions & Answers
Not getting any power unless choke is on
Only running good with the choke on is an indicator that the bike is normally running too lean. The fact that it runs good with the choke on at least tells me it is getting fuel to the carb(s). Therefore it seems probable that there is clogging in the carburetor jets or there is a big air leak between the engine and carb(s).
2003 v star 1100 brake light running light problem
Here is your solution. The assembly you replaced likely used a double contact bulb, like an 1157.(very common brake light bulb) and the after market you got is only a single contact. If you look at an 1157, you will notice 2 filaments inside. One for full time on, and 1 for bright side switched(brake). If your new light only has one contact, then it is either going to be light full time on, or switched light. The bulb might not be compatible with your bike. Hope this helps.
Battery will only keep a charge for roughly a
SOUNDS LIKE THE BATTERY IS GETTING OLD, THEY NORMALY LAST ABOUT 3 YEARS WITH CONSTANT USE, DO YOU HAVE AN ALARM THAT MAYBE DRAINING THE CHARGE OFF IT? YOU SHOULD ALSO REMOVE THE PANELS LOCATE REGULATOR RECTIFIER, AND CHECK THE CONECTIONS AT THE BLOCK CONECTOR, SEPERATE THE BLOCK AND CHECK THE CONDITION OF THE CONTACTS FOR COROSION INSIDE, ALSO LOOK AT THE OUTER OF THE BLOCK WHERE THE WIRE GOES INTO THE BLOCK PARTICUALY AT THE RED WIRES AS THEY ARE PRONE TO COROSION, IF THIS IS THE CASE TAKE CARE NOT TO BREAK THE WIRE AND MIX THEM UP, CAREFULLY REMOVE 1 AT A TIME AND REPLACE WITH OTHER CONECTORS, JUST A STAB IN THE DARK HOPE THIS HELPS
Shifting up or down, my forward piston backfires.
Popping from the exhausts is common on V stars. It is usually caused by an air leak at the exhaust header. So check this by either check tightening the bolts & using a piece of hose(about 500mm long),one end in your ear, the other at the header(where it bolts to the head). Listen for exhaust leaks. If you hear any replace the header gaskets.A customer of mine very recently fitted 2 gaskets to stop his bike poping after fitting aftermarket pipes. If all this checks OK.Use the hose again to listen for air leaks at the carby inlet manifolds. Air leaks hear cause a lean mixture & can cause backfireing. Also backfireing can be caused by carburettor imbalance.
Hope this helps
Regards Andy
The #1 cylinder is back firing and not running
it sounds to me like an electrical fault,check the sprk plugs and replacethem(if you havent done it already)see hoe it goes,then check the spark plug cap and make sure the cap is tight on the lead,most caps are a screw on type,if not this then it could be athe coil or lead are breaking down,in which case they would need to be replaced,hope this helps
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