posted August 05, 2007 09:24 PM
Edited By: northmedic on 5 Aug 2007 23:27
clutch issues explained (pics) Well a short while ago my clutch was sticking it came loose with an oil change ran at the drag races last night and got 1.8 60 footers which for me is awesome . did some hard road riding tonight clutch started to slip about 180 km an hr came home pulled it out well it toast after a couple of hundred 1/8 passes and hard road riding . showed the plates to the kaw mec and he asked what kind of oil i was running i stated spectors gold 4 syn and he atributed the failure to the oil ?
posted August 06, 2007 05:09 AM
Looks to me like you just smoked the clutch plan and simple. It should have been inspected long before this happened. A lot of people just starting to drag race burn clutchs like this until they learn how to ride it better. If I was you I'd pull the oil pan and clean the pickup screen. You have clutch particals floating in you engine. That can be BAD news for the bearings.
posted August 06, 2007 07:06 AM
Okay,
I just experienced a clutch failure as well, and believe it to be due to syn oil (mobil 1)
I am going to pull them out tonight.
I just installed this completely new clutch in July. And has maybe 50 passess on it.
I was running an event yesterday and once we started going rounds in both classes 3rd and 4th round the clutch started slipping in 3rd gear high rpms. Pissed me off
quote:Okay,
I just experienced a clutch failure as well, and believe it to be due to syn oil (mobil 1)
I am going to pull them out tonight.
I just installed this completely new clutch in July. And has maybe 50 passess on it.
I was running an event yesterday and once we started going rounds in both classes 3rd and 4th round the clutch started slipping in 3rd gear high rpms. Pissed me off
I run Mobil 1 10W30 full Syn and Smokin runs Mobil 1 15W50 with no problems. I don't believe it's the oil. It's how you use the clutch. Get that clutch out quick and use the throttle. I usually burn through a set of clutches once a year.
posted August 06, 2007 07:20 AM
I have heard of guys having success with the syn oil and I have as well on other bikes.
Once I inspect clutches and check stack height I will know for sure what went wrong.
posted August 06, 2007 08:03 AM
You can't blame Kawi or the oil for this one ....It's the rider that burned the clutches up ...Once you learn how to ride it you will get 200+ passes before you even think about looking at them ..I run Mobil One in everything i own and never had a problem with clutches....Brock used 0Wt Syn oil in his zx14 and never had a problem ...Smokin..
____________
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Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
posted August 06, 2007 09:28 AM
I don't use exotic oil and never had any problems with my clutch. I think there are 2 things I do that help. I run 15 tooth front and 44 rear sprokets and put .040 shims under each of the 5 clutch springs. That way, the only real slippage I get is in the first 50-60 feet and none on the big end, where in my opinion, slippage does most damage.
posted August 06, 2007 09:34 AM
I know full well it is my learning curve that caused this ,
then i showed it to the kaw mec he seems to think that it was my choice of oil , never the less, gives me a good reason to change my oil pan now .
posted August 06, 2007 10:29 AM
Spectro, Mobil, motul and amsoil are all awesome oils.
The motorcycle specific versions have anti foam additivies which is very important for top end longevity, as well they will have less moly which is importanat as moly will make wet clutches slip over time.
That said, the very first few times(3 times) I tried launching the zx14 with th flies in I noticed the clutch abuse to keep it revved above 6000 rpm to keep the flies open created alot of heat, and I really had an issue with abusing the clutch that much.
Flies out and dependant on traction, 3500-4500 rpm launches, basically throwing the clutch away and maybe slipping it in once more off the line seems to be key.
if running stock gearing you may need to slip it a litle after you initially throw it out.
16 tooth I basically dump the clutch, and choose an rpm where tire spin is very limited.
usually 3500- 4500 rpm
If your a heavy guy more rpm is needed, and schnitz sells stiffer springs, or shims .. whichever you choose .
posted August 06, 2007 11:57 AM
Just an up date i pulled the pan inspected the screen all is clean no particles // Started to put the new pan on good GOD man how the hell do you get the oil filter thread tube off i broke this one will order a new one tomorrow ? tube that is
quote: I know full well it is my learning curve that caused this ,
then i showed it to the kaw mec he seems to think that it was my choice of oil , never the less, gives me a good reason to change my oil pan now .
You will get the hang of it in time and your clutches will start lasting a long time ..I know a few guys that have taken out a couple sets of clutchs before they got the hang of it ..Now that they have gotten better they have no problems ...On the oil thing i'm not about to tell you what oil to use ..Use the oil that you feel is best for you ....Smokin... ____________
Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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2012 14r In Blue and no Mods!
Posts: 5428
posted August 06, 2007 02:44 PM
Nelson, I ran Mobile 1 synthetic car oil in my 14 since 500 miles and I had 188 runs and 4600 street miles with plenty of abuse on the street as well and my clutch still didn't really need changed. It could have went longer. Ran The same oil in my Busa for 8000 street miles and 400 runs at the track and sold the bike with the stock clutch still in it and the bike now has 30,000 miles with the same clutch. I've ran the mobil 1 in my last 6 bikes with no clutch issues.
posted August 06, 2007 03:38 PM
well what does everyone think about the kawi synthetic oil, other than it is god awful expensive.
A friggin oil change costing 60 bucks(me doing it) is recockulous
____________
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posted August 06, 2007 03:50 PM
Edited By: CrotchRocket on 6 Aug 2007 16:51
Damn...You need to let go of the clutch lever...Put some gearing on that bike of yours...
posted August 06, 2007 04:02 PM
i did pull the pan as i was putting a new one on anyway it was clean no particles in the screen or pan / thats 200 passes on the 1/8 and some practices and a whole pile of hard street riding ( i know let the clutch out )
quote:Damn...You need to let go of the clutch lever...Put some gearing on that bike of yours...
posted August 06, 2007 08:24 PM
AVOID THE BARNETT CLUTCHES LIKE THE PLAGUE!!!!!!!!!! I saw a guy around here that ran them he made 4 passes and they were toast they are more of a roadracing clutch then a drag clutch
posted August 06, 2007 09:11 PM
I have had good success in the past with syn oils as well with my bikes and I prefer using it.
I totaled up my runs since I installed a new clutch and oil (43 passes).
I still was getting 1.54-1.55 60 fts but it would slip once getting into 3rd gear.
Hopefully stack height is off just a tad, I can fix that without spending $$$ on another clutch.
I dont ride on the clutch much when launching, I let it go before the 1/8th mile (J/K).
Seriously though I dont ride on the clutch much so I don't expect them to be burnt up like the ones in the pics above.
posted August 06, 2007 09:18 PM
Edited By: Nelson Taylor on 6 Aug 2007 22:27
quote:Nelson, I ran Mobile 1 synthetic car oil in my 14 since 500 miles and I had 188 runs and 4600 street miles with plenty of abuse on the street as well and my clutch still didn't really need changed. It could have went longer. Ran The same oil in my Busa for 8000 street miles and 400 runs at the track and sold the bike with the stock clutch still in it and the bike now has 30,000 miles with the same clutch. I've ran the mobil 1 in my last 6 bikes with no clutch issues.
Bently, I expect to get a bunch of passes out of this clutch as well.
I have heard so many guys say how many passes they got out of one clutch, I think thats awesome. I wont blame the oil, honestly it has to be something else. I'll get it figured out.
Gotta go racing this weekend.
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posted August 05, 2007 09:24 PM
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