Just changed oil and Bike doesnt shift smooth - Suzuki GSX-R Motorcycle Forums Gixxer.com

 
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post #1 of 7 (permalink) Old 06-19-2013, 09:03 PM Thread Starter
Squid
 
Join Date: Jun 2013
Location: San Antonio Texas
Motorcycle: 2007 GSX-R 750
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Just changed oil and Bike doesnt shift smooth

2007 GSxr 750

I changed oil with 20W 50. The oil was very dirty. After I finished I moved bike to park it and it was hard to get bike out of 1st. Does this have to do with the oil I used? Also installed a new generator and I went to test voltage coming out of generator and the meter just goes crazy. Not sure whats going on.
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post #2 of 7 (permalink) Old 06-19-2013, 11:06 PM Thread Starter
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Re: Just changed oil and Bike doesnt shift smooth

This happen a lot?
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post #3 of 7 (permalink) Old 06-19-2013, 11:08 PM
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Re: Just changed oil and Bike doesnt shift smooth

May have nothing to do with your oil. Motorcycle transmissions are designed to shift while rolling, so that could explain. Try rolling it and shifting

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post #4 of 7 (permalink) Old 06-19-2013, 11:47 PM Thread Starter
Squid
 
Join Date: Jun 2013
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Re: Just changed oil and Bike doesnt shift smooth

Yeah I was rolling. Went down the parking lot around 10mph still felt like it was stuck in 1st. I was pulling up really hard and when it did shift it went into second. Hard to get to N. And The bike shifted flawlessly before I changed the oil. By the was book says 10W 40 is recommended and I went with 20W 50 because someone said it worked good in really hot weather. Last time I go against the manual.
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post #5 of 7 (permalink) Old 06-20-2013, 05:02 AM
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Re: Just changed oil and Bike doesnt shift smooth

I'm in AZ (hot as fu*+) and I run 20-50 with no problems... What kind of oil did you use? I'm running motul 5100

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post #6 of 7 (permalink) Old 06-23-2013, 04:12 PM
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Re: Just changed oil and Bike doesnt shift smooth

I have used 20 w 50 in the summer for many years and never had a problem. I also want to know what kind of oil you used, some car oils have friction modifiers in them that don't work well with motorcycle clutches, and can cause shifting issues.
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post #7 of 7 (permalink) Old 06-23-2013, 05:47 PM
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Re: Just changed oil and Bike doesnt shift smooth

When you change the oil the clutch plates sometimes get stuck. Put some miles on it and it will start shifting smooth again.
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