zx-twitch
Expert Class
the dude abides
Posts: 247
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posted January 01, 2010 06:38 PM
speedo problems need help
ok so I have bike issues. when riding at 80 mph my speedo surges between 80 and 90 mph. this has happened the last 3 times I rode the bike. and the last time I rode it at 80 mph it surged between 60 and 110 mph, then the bike lost power for a moment and then surged back hard causing the back tire to spin for a moment. so what gives? what would cause these problems? I do have a v4 speedo healer on the bike but these problem were never there before and arose out of the blue. I appreciate any help.
  
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smokinZX14
Needs a life
Posts: 10197
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posted January 01, 2010 07:01 PM
 Edited By: smokinZX14 on 2 Jan 2010 03:01
quote:
ok so I have bike issues. when riding at 80 mph my speedo surges between 80 and 90 mph. this has happened the last 3 times I rode the bike. and the last time I rode it at 80 mph it surged between 60 and 110 mph, then the bike lost power for a moment and then surged back hard causing the back tire to spin for a moment. so what gives? what would cause these problems? I do have a v4 speedo healer on the bike but these problem were never there before and arose out of the blue. I appreciate any help.
Do you have a P/C ? if so check the ground .. If grounded to the coolant tank change to ground to the top bolt of the engine cover right under the tank .. allways check the easy stuff first ...
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Compton
Zone Head
Posts: 969
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posted January 01, 2010 07:03 PM
mine did that, ended up being the speedohealer. replaced it with the muzzys one and never had a problem again
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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smokinZX14
Needs a life
Posts: 10197
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posted January 01, 2010 07:07 PM
Edited By: smokinZX14 on 2 Jan 2010 03:08
quote:
mine did that, ended up being the speedohealer. replaced it with the muzzys one and never had a problem again
a speedohealer made your engine cut on and off .. I don't think it would do that ..
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Compton
Zone Head
Posts: 969
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posted January 01, 2010 07:16 PM
yes, it would interupt the speed sensor, and the bike would act it was getting no signal even would throw a code too. it would be all good soon as i unplugged the speedohealer.
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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Compton
Zone Head
Posts: 969
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posted January 01, 2010 07:22 PM
I also tried relocating it in all different spots in the bike, moved it away from any other wires, sent it back and got a new one, it would just end up doing it again. it would start reading funny, bike would buck a little bit. i even got it to move the speedo by just revving the bike in Netural.
soon as i unplugged all of these issues went away.
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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zx-twitch
Expert Class
the dude abides
Posts: 247
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posted January 01, 2010 07:25 PM
could you post me a link to the muzzys unit. My father was talking about it today but I am honestly completely unfamiliar with it to this point.
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Compton
Zone Head
Posts: 969
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posted January 01, 2010 07:27 PM
http://www.muzzys.com/ZX14/ZX14_Bonneville_Pro/index.html
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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zx-twitch
Expert Class
the dude abides
Posts: 247
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posted January 01, 2010 07:31 PM
never mind found it on schnitz. I am gonna remove the speedo healer next week in Al and see if the problem is fixed. if so its muzzys for me. in the mean time I'll check the PC3 ground. thanks guys
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zx-twitch
Expert Class
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Posts: 247
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posted January 01, 2010 07:32 PM
beat me too it. your on the ball compton
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smokinZX14
Needs a life
Posts: 10197
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posted January 01, 2010 07:52 PM
quote:
I also tried relocating it in all different spots in the bike, moved it away from any other wires, sent it back and got a new one, it would just end up doing it again. it would start reading funny, bike would buck a little bit. i even got it to move the speedo by just revving the bike in Netural.
soon as i unplugged all of these issues went away.
Cool, i learn something new everyday ...
____________
Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Compton
Zone Head
Posts: 969
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posted January 01, 2010 08:05 PM
Thats why we have these forums 
smokin wanna try out my speedohealer? Ill send it to ya
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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smokinZX14
Needs a life
Posts: 10197
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posted January 01, 2010 08:12 PM
quote:
Thats why we have these forums
smokin wanna try out my speedohealer? Ill send it to ya
No way ....  Don't need more problems ... 
____________
Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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zixxer14
Pro
Damn that was Quick
Posts: 1233
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posted January 01, 2010 08:47 PM
Compton which versoion did you have? I've got v4, sorta bums me out, electronic problems are a pain to track down.
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Compton
Zone Head
Posts: 969
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posted January 01, 2010 09:26 PM
the v4
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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BobC
Pro
Posts: 1736
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posted January 02, 2010 03:48 AM
The only problem I have ever found to do with a Speedohealer is the wiring harness they supply with it. Not on my bike but on a friends. The pins on the plug and socket are crimped and can become intermittent. The solution is to extract them from the plug or socket shell, solder them and pop them back in.
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Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles
2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)
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bigdtd
Needs a job
Interceptors
Posts: 4209
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posted January 02, 2010 09:29 AM
speedo healer is warranteed for life send it back and get a new one
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2006 Black ZX-14,6 inches over,16/42, flies out,BMC Street Filter,Brock's Street Meg,Brock's Radial Mount Strap,PClll with Race map,Dynojet LCD w/Techmount, ZX-14 fender eliminator,Pilot Power2CTs,Speedohealer,Pazzo Levers,Cox Radiator Guard, Garmin Nuvi 265WT
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dogg24
Expert Class
Posts: 322
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posted January 02, 2010 11:48 AM
Hey Compton, how do you like the Bonneville so far?
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2012 ZX14R SE, Streetmeg, PCV
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zx-twitch
Expert Class
the dude abides
Posts: 247
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posted January 02, 2010 01:25 PM
not sure I want a new one. might send it in to get it replaced and then sell it cheep. I think I too am gonna go the Bonneville route. I just lost a little faith it the speedo healer. After it made the bike cut power then surge back hard enough to spin the tire while putzing down the highway at 80 mph what would happen if I was really laying into it on a corner.
I know its a decent product and tons of people have them, but it scared me enough to not want it on the bike any more.
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Compton
Zone Head
Posts: 969
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posted January 02, 2010 05:25 PM
My speedohealer costed a race. So off it came
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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CajunBoyz
Zone Head
Posts: 702
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posted January 02, 2010 05:42 PM
quote:
My speedohealer costed a race. So off it came
How, what problem did it give??
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"Cajun Boyz with Bad Ass Toys"
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HiMile14
Expert Class
Posts: 424
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posted January 02, 2010 07:40 PM
OK, I have replaced so many parts on my VFR the speed sensor was the only part I bought that I did not need too.
I think both the VFR and ZX use the same kind of sensor, open the side of the engine where the sensor connects to the driving bolt. I took a used ear plug put it inside the sensor's driving bolt and re-connected the sensor and the speedometer worked better then new. The new speed sensor works fine but it seems more accurate with the ear plug mod. Now 55,56,55,56,55 is just 55 or 56 MPH. Just my two cents.
Rob
02 VFR 120,585 miles (being Rebuilt)
07 VFR 46,204 miles
07 VFR 7,546 miles
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zx-twitch
Expert Class
the dude abides
Posts: 247
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posted January 02, 2010 07:40 PM
it causes it engine to cut out for a moment then surge back on (in my case causing tire spin) and I am assuming in compton case cost him a few tenths and the race.
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HiMile14
Expert Class
Posts: 424
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posted January 02, 2010 07:52 PM
Almost sounds like your losing the Ground Wire? I wish I had a better answer, Afraid this is out of my league.
Rob
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zx-twitch
Expert Class
the dude abides
Posts: 247
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posted January 02, 2010 08:06 PM
its definitely not the ground wire. I believe it to be the speedo healer. Compton had the exact same problem my bike is having and it was the healer, but unfortunately I can't test it for a week.
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