Question about Yamaha V Star Classic Motorcycles
1999 vstar 650 runs fine through first 4 gears but when I shift into 5 I have no power there I slow down and limp along at about 50 to 55 mph. It isn't the gear itself. I just cleaned the carb because one was clogged and it was running fine before that. I have taken it back off disassembled it and reassembled it twice now just making sure I didn't lose anything or screw something up but I can find nothing wrong.
Posted by Anonymous on
Hi, Anonymous and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Damaged or restricted fuel tank venting system.
4. Dirty or damaged air cleaner element.
5. The accelerator pump is inoperative.
6. Vacuum piston assembly malfunction.
7. Enrichner valve is not seated or leaking.
8. Restricted fuel supply tract.
9. Plugged bowl vent.
10. Loose or plugged fuel and air jets or passages.
11. Improper float level.
12. Worn or damaged needle or needle jet.
13. Loose or plugged main jets or passages.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
2001 Yamaha star 650 suddenly lost power and bogged 5th gear 120km Fixxit
1999 650 engine bogs in 5th gear Yamaha Star Forum
OEM parts for Yamaha
Posted on Jun 07, 2016
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Posted on Jan 02, 2017
sounds like fuel starvation
do you have a petcock plugging or a dirty carb?
pull the fuel line and check flow
Posted on Nov 17, 2008
The main jet need cleaning.(you should clean them all though)
Main Jet: Main jet comes into play at three-quarters open to full throttle conditions. CRITICAL to high-speed engine operation. Not only does it meter the gas into the engine, it can aid in cooling the engine as well.
Please rate this Fixya
Posted on Jan 29, 2009
Posted on Mar 17, 2009
i use a jump box on mine most weekends when i wanna take it out, i hook the red to battery and black onto my exhaust and it fires right up no problem. is the clicking noise coming from the fuel pump behind the ignition? it should click for a few seconds then stop. if it stays on then you are not getting enough fuel outta the tank, change the fuel filter and if bike had been stored for winter get a good fuel system cleaner, additive type. if in USA get Berrymans B12, double dose get bike to run hopefully let it stand overnight and all should be fine. fingers crossed. if is is clicking from somewhere else like starter or a relay by the battery, check all the ground terminals you can find
thats a link for a free pdf service manual
my 99 v star
Posted on Apr 04, 2009
Your bike has a fifth gear. The problem is probably a bent shift fork. Broken engagement dogs could be present but I have never seen that happen in anything other than 1st and second gear. This is approximately an $800 to $1000.00 repair. Personally, I really like only having to shift 4 gears. Don't you?
Below is a partial image of your trannie and also a generic image showing how a slider gear moves left and right when pushed by a shift fork. In this example the gear dogs engage into either 1st gear or 2nd gear depending on which way the fork moves the slider gear. If the fork were bent, the slider may go into second gear but not have enough movement to reach first gear. If the gear dogs were broken off then the gear has no way to engage.
I don't get paid for my answers but I do take pride in them, I just try to help where I can. So if you feel it is right, > > A “very helpful” rating for this answer? Thanks!
Posted on Jun 28, 2009
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