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Yamaha 650 v star custom is idling and running rough. What…

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Yamaha 650 v star custom...
Yamaha 650 v star custom is idling and running rough. What could be the cause
Submitted: 2 years ago.Category: Motorcycle
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Answered in 1 hour by:
2/20/2016
Motorcycle Mechanic: Kenny O., Motorcycle, ATV, Mules, Side by Side's Product Specialist. All Brands replied 2 years ago
Kenny O.
Kenny O., Motorcycle, ATV, Mules, Side by Side's Product Specialist. All Brands
Category: Motorcycle
Satisfied Customers: 1,022
Experience: Worked for Kawasaki Motors as a Product Support Specialist (Factory Support) for 24 years
Verified

Hi my name is ***** ***** an I speaking to ?

  • Can I get the current mileage
  • Has the bike been sitting, if so how long ?
  • And brief description of the current service records ?

Thanks

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Customer reply replied 2 years ago
I just bought the bike. It has 3500 miles on on it. I do not have service records
Motorcycle Mechanic: Kenny O., Motorcycle, ATV, Mules, Side by Side's Product Specialist. All Brands replied 2 years ago

Please answer all my questions, do you have any idea if the bike sat while it was in the other persons hand and also you ?

Thanks

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Customer reply replied 2 years ago
Kenny I answered all the questions I had answer to. I would think through commen sense a six year old bike was not rode a lot .
Motorcycle Mechanic: Kenny O., Motorcycle, ATV, Mules, Side by Side's Product Specialist. All Brands replied 2 years ago

Well I'm not going to guess, as I don't consider when I trying to help someone with a problem, that doesn't work for me, so I will opt out and maybe one of the other experts try to guess what wrong with your bike.

Thanks

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Motorcycle Mechanic: RSRBOB, Technician replied 2 years ago
RSRBOB
RSRBOB, Technician
Category: Motorcycle
Satisfied Customers: 1,078
Experience: Former Factory Service Rep, Dlr Line Tech, Service Manager, General Manager, Store Owner
Verified

Hi and thank you for your question.

If your bike is a 2009 and only has 3500 miles on it, the carbs are more than likely clogged up. It has obviously been sitting quite a bit to be going on 7 years old and have such low mileage. Do you want to attempt to clean the carbs yourself or would you rather not tackle it?

Let me know,

Thanks

RSRBOB

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Customer reply replied 2 years ago
Probably not
Motorcycle Mechanic: RSRBOB, Technician replied 2 years ago

I completely understand. It can be a bit involved plus require some special equipment to complete the job properly. At this point I would find a reputable repair facility and take it to them fora diagnosis and estimate. I would expect them to diagnose it as needing a carb clean. Typically there are no parts involved, but there is always a chance. You also want to hear them tell you that they intend to synchronize the carbs upon re-installation. Sync is a critical step to ensuring the engine idles smoothly and accelerates properly. Lastly, unless you are in California or another state that monitors emissions, they should drill the plugs over the idle mixture screws, remove them to clean those passages as well and re-set them slightly richer than they came from the factory, about 1/2 turn richer. With that adjustment, the bike should start easier, warm up quicker and accelerate better.

If you have any more questions feel free to ask.

Thanks

RSRBOB

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