speed problems... then hesitation - Yamaha R6 Forum: YZF-R6 Forums
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post #1 of 19 (permalink) Old 10-22-2012, 05:58 PM Thread Starter
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speed problems... then hesitation

let me start by saying im not a wreckless rider.. i ride at high speeds at the track with tpm.

i seem to have lost my top speed. last summer i went from being able to be in the 160s and 170s to not being able to go past the 130s. not a big deal since i dont go that fast ofter but now it bothers me. also as of 2 weeks ago my bike started riding like crap. sounds like a v-twin at low throttle and when i open it up is hesitates and stutters around 3-6k rpm and then just shoots off normal.. till it hits a power wall in the 130s. i changed plugs... changed oil... cleaned air filter... new battery. tomorrow im going to clean the tps. what else can it be!?!?!?!?
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post #2 of 19 (permalink) Old 10-22-2012, 06:01 PM
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Could be coils, is it throwing any codes?

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post #3 of 19 (permalink) Old 10-22-2012, 06:07 PM Thread Starter
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Re: speed problems... then hesitation

no codes.. im not getting any cel
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post #4 of 19 (permalink) Old 10-22-2012, 06:12 PM
tall fcukin mutha fcuker
 
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Bike: 2004,2007 R6
Bad coils or a faulty one had it with my bike but plugs fixed it... Take a volt matter to the coils should come back at 7.5-12 check the service manual for the right range thought

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Track - 2007 R6
Ohlins 25mm front suspension-Ohlins rear suspension-PC3 with ignition module-Dynojet quickshifter-Ohlins steering damper-Graves steering damper mounting kit-Graves Ti exhuast-Graves case covers-Graves rear sets-Graves steering stops-Graves throttle tube-Steel braided lines, front and rear-Vortex clip ons-Folding brake lever with remote adjust-Folding clutch lever-Tank sliders-Radiator guard-Keyless Start
Street - 2004 R6 - SOLD

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Last edited by Jay5413; 10-22-2012 at 06:14 PM.
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post #5 of 19 (permalink) Old 10-23-2012, 11:35 AM Thread Starter
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Re: speed problems... then hesitation

so i cleaned the tps and it still didnt sound to healthy... i let the bike warm up to operating temp and sprayed the headers with water mist... the header on the throttle side didnt evaporate any water. so i touched it... and cool. so i know that side isnt firing. coil #4 is the throttle side

i tested all coils and this is what i got. do i need 4 new coils???

aslo specs state primary 0.24-0.32 and secondary 5.0-6.8 k

i assume that the primary reading 2.1 = 0.21 when using 200 ohm setting???
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Last edited by tekk220; 10-23-2012 at 11:38 AM.
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post #6 of 19 (permalink) Old 10-23-2012, 11:57 AM
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Re: speed problems... then hesitation

Quote:
Originally Posted by tekk220 View Post
i tested all coils and this is what i got. do i need 4 new coils???
Looks like three new ones to me

-Jamie M.

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post #7 of 19 (permalink) Old 10-23-2012, 03:34 PM
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Re: speed problems... then hesitation

in addition to above suggestions, verify you have 14vt at the battery when holding 5,000 rpm.. and check fuel pressure. Need 47psi.

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post #8 of 19 (permalink) Old 10-23-2012, 03:42 PM
tall fcukin mutha fcuker
 
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Yeah bro you need 3 coils I'd do all 4 of them someone was selling 4 on here that have been used for 100... Or I think they are 75each at cheapcycleparts.com

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Track - 2007 R6
Ohlins 25mm front suspension-Ohlins rear suspension-PC3 with ignition module-Dynojet quickshifter-Ohlins steering damper-Graves steering damper mounting kit-Graves Ti exhuast-Graves case covers-Graves rear sets-Graves steering stops-Graves throttle tube-Steel braided lines, front and rear-Vortex clip ons-Folding brake lever with remote adjust-Folding clutch lever-Tank sliders-Radiator guard-Keyless Start
Street - 2004 R6 - SOLD

R.I.P - Richard Bishop aka BallistiK
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post #9 of 19 (permalink) Old 10-23-2012, 03:46 PM
tall fcukin mutha fcuker
 
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Join Date: Jul 2009
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Bike: 2004,2007 R6
www.r6-forum.com/forums/showthread.php?t=167669

it says r6s but I'd check the part number an see if they are the same

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Track - 2007 R6
Ohlins 25mm front suspension-Ohlins rear suspension-PC3 with ignition module-Dynojet quickshifter-Ohlins steering damper-Graves steering damper mounting kit-Graves Ti exhuast-Graves case covers-Graves rear sets-Graves steering stops-Graves throttle tube-Steel braided lines, front and rear-Vortex clip ons-Folding brake lever with remote adjust-Folding clutch lever-Tank sliders-Radiator guard-Keyless Start
Street - 2004 R6 - SOLD

R.I.P - Richard Bishop aka BallistiK
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post #10 of 19 (permalink) Old 10-23-2012, 09:03 PM Thread Starter
I eat my R6
 
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Re: speed problems... then hesitation

thanx guys... i'll buy a fuel pressure gauge and check fuel
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