Question about 2004 Yamaha V Star 1100 Classic

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Lost power on my bike the other day and all I lost power like one cylinder dropped

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(1) make sure that wire to coil not grounding out.
(2) i have seen some bikes get water into spark plug cavity and
cause ground out.

Posted on Apr 22, 2014


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My 04 vstar 1100 classic seems as if the rear cylinder is not putting out as much power as the leading cylinder

unless you have a misfire on the rear cylinder and as the two run of the same crank shaft this statement would be hard to pinpoint
Have a compression done on the engine to determine a drop in pressures
move the front injector (EFI) to the rear
if EFI have the fault codes read
IF carbureted with with a carby for each pot have the carbies tuned professionally
have the bike run a on a bike dyno for a power test

Jan 23, 2016 | Power Motorcycles

1 Answer

Bike was running great on saturday. Went to the races bike started right up when the gate dropped bike won't rev out all the way. Didn't have this problem yesterday. When we got home i cleaned the car

Hi, Anonymous and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Yep i think so,also check all the lightbulbs these can break once the fuse blows...

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Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
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Voltage drops then comes back wont stay running at idle occasionally and then have lost all electrical power to everything on bike then comes back after a couple minutes. has new stator, voltage...

Hi Anonymous, check your battery negative cable connection to the frame for being corroded, broken inside the insulation or loose. Good luck and have nice day.

Jun 03, 2011 | Harley Davidson FLHTC - FLHTCI Electra...

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I got the bike rode for a while it sat for a couple of weeks and when I tried to start it it was dead. I tried getting the battery charged and it didn't work. I got a new battery and that worked for about...

If the bike is losing ALL power, I'm talking about dash lights, headlight, tail light, ALL lights, it's probably something tripping the main breaker. The breaker should be located either under the seat or behind the trianglular panel on the right side of the bike. I'd look for a frayed wire near the starter or around the rear cylinder due to the head in that area.

Good Luck

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1999 sportster lost power

it might be excessive piston slap,=pistons too loose in bore so loosing compresion.ignition timing too advanced so pinking.carberation too weak,

Jun 29, 2010 | 2000 Harley Davidson XL 1200 C Sportster...

1 Answer

I was riding and everything was working normal. then i lost about half my power and it sounded rough. the power would come back only momentarily but would disappear again. it was jerking when that...

You bike is missing on one cylinder. Since it comes and goes, it could be a spark plug or plug lead. This is the easiest solution, but there could also be a problem with the fuel injection system. Fit new plugs and test the plug leads. If the problem still exists, have the fuel injection system checked out.

Mar 21, 2010 | kawasaki Ninja 250R Motorcycles

1 Answer

Problem starting/ one cylinder or spark plug drop out.

It sounds like you have a problem with your ignition. I would suggest replacing the spark plug wires because they are not insulating the power dischage from the elements. I have had issues like this and I usually have the bike in a garage with the garage lights off, have the bike running and mist the engine with a spray bottle. The blue arc of the power discharge is very visible and the location will be evident. Hope this helps.

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