May 9th, 2017, 02:59 PM | #1 |
ninjette.org newbie
Name: Sully
Location: Da U.P.
Join Date: Apr 2017 Motorcycle(s): '03 Ninja 250, '02 KLR 650 Posts: 4
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Clutch plate gap
Hello all,
I'm a new '02 ninja 250 owner, but have had a KLR for a couple years now. Question is, what should the space be between the tabs on the edge of the friction plates, when it's all assembled? I measure 2.4 something mm. The manual has spec for the friction plate thickness, but I can't measure that without disassembling it. I have adjusted the cable, and it still slips a bit. Assuming the clutch sounds like it's bad, what's my cheapest still decent bet for plates and springs? Thanks! |
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June 7th, 2017, 09:46 PM | #2 |
ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
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/moved to pre-gen tech area
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Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered) |
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June 8th, 2017, 12:37 AM | #3 | |
in your machine
Name: Scott
Location: Summer Shade, Ky.
Join Date: Oct 2014 Motorcycle(s): 98 Ninja 250/F12 aka ZX-2R "SERENITY", 91 Ninja 500/A5 aka ZX-5R "Phoenix", 84 Honda GL1200A "SIREN" Posts: A lot.
Blog Entries: 25
MOTM - Jun '17, May '16, Mar '15
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Quote:
Second the clutch on these bikes is pretty much bulletproof, the weak link is the springs, which are crap at best friend on Kawasaki, reason is they made them soft due to the Ninjette is an entry level bike. Here my write-up on the subject Upgrading to performance clutch springs by Ghostt IMHO, The OEM clutch springs are soft/weak, and there's only 4 of them unlike bigger bikes like the Zx600, due to this is a beginner's bike according to Kawasaki, to make it easier for beginners male and female. This leads to slippage in certain cases, especially at high RPMs This is an easy fix, replace with aftermarket performance springs. Choosing Clutch Springs Barnett aftermarket clutch springs for a 1985-1989 ZX-600, Part # 501-50-05055. You can view them online at the Barnett catalog, here: http://www.barnettclutches.com/produ...&clutch_cc=600 They can be ordered through your local dealership, or at a number of online sources. Here is one such online catalog: http://www.exoticsportbike.com/6001.htm Another option is the EBC CSK10 (see http://www.ebcbrakes.com/motorcycle_..._springs.shtml). This kit isn't quite as stiff as the Barnett, but is better than stock and usually a little cheaper. The kit does include six springs, while the ninja 250 only uses four. I have done this to both my Ninja 250 & EX 500 Final verdict: The clutch pull is a little bit more stiff, but nothing to worry about. The shifts have more of a crisp and positive feel, and eliminating slippage is always a good thing when it comes to the clutch. It's my personal opinion that this is a must do item, as it saves the clutch itself, and eliminates a possible problem especially when the springs get older.
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violente et ignorantia ZX-2R BLOG Twitter and Instagram = Ghostt_Scott I'm not here to change your mind, just to inform. Last futzed with by Ghostt; June 8th, 2017 at 01:54 AM. |
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June 8th, 2017, 03:53 AM | #4 |
ninjette.org certified postwhore
Name: Roger
Location: Mitchell, South Dakota
Join Date: Apr 2014 Motorcycle(s): 1978 Z1R, 1999 EX250 Posts: A lot.
MOTY - 2018, MOTM - Oct '16
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What I've done on a couple of mine is to put a washer under each of the factory spring retainers (4) to preload the springs. I never did find a washer the right inside and outside dimensions, so I found one that was right on the outside and made the hole right with a die grinder. The ones I used are 1.5 mm thick, 20 mm outside, and about (?) 12 mm inside. I know....doesn't sound like much preload, but it's worked on the 3 Ninjettes I've put them in.
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June 8th, 2017, 11:39 AM | #5 |
in your machine
Name: Scott
Location: Summer Shade, Ky.
Join Date: Oct 2014 Motorcycle(s): 98 Ninja 250/F12 aka ZX-2R "SERENITY", 91 Ninja 500/A5 aka ZX-5R "Phoenix", 84 Honda GL1200A "SIREN" Posts: A lot.
Blog Entries: 25
MOTM - Jun '17, May '16, Mar '15
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Pre-load doesn't increase the spring weight itself, your still dealing with a spring which does a minimal job.
I highly recommend doing the spring upgrade, you won't be sorry you did, and you'll have happy with the results I'm sure.
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violente et ignorantia ZX-2R BLOG Twitter and Instagram = Ghostt_Scott I'm not here to change your mind, just to inform. |
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June 15th, 2017, 04:37 PM | #6 |
ninjette.org newbie
Name: Sully
Location: Da U.P.
Join Date: Apr 2017 Motorcycle(s): '03 Ninja 250, '02 KLR 650 Posts: 4
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Sorry I posted in the wrong spot.
Thanks for the replies! When I posted, I had lubed the clutch cable, but not replaced it. I put a fresh cable in, and rode it 4000 miles with no issues. I did carry backup gasket/springs/friction plates for peace of mind though. |
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June 16th, 2017, 09:37 AM | #7 | |
ninjette.org certified postwhore
Name: Bill
Location: Port Huron, Michigan
Join Date: Mar 2017 Motorcycle(s): 2007 Kawasaki 250 Ninja, 1982 Honda Ascot FT500 Posts: A lot.
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Barnett
Quote:
Bill |
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June 16th, 2017, 09:53 AM | #8 | |
ninjette.org certified postwhore
Name: Bill
Location: Port Huron, Michigan
Join Date: Mar 2017 Motorcycle(s): 2007 Kawasaki 250 Ninja, 1982 Honda Ascot FT500 Posts: A lot.
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pre-load
Quote:
I've been reading about fork spring pre-load spacers here and on other forums. One guy says 1 1/2" spacers work for him. The only thing I've done to my forks is replaced the fork oil with 15w and installed real snap rings in the fork caps. I weigh 180lbs and wouldn't touch the springs or adjust the preload. Maybe it's beacuse I'm an old fart and don't ride too aggressively, or, maybe that's why I have lived for 69 years. Just sayin'. Bill |
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June 16th, 2017, 05:14 PM | #9 |
in your machine
Name: Scott
Location: Summer Shade, Ky.
Join Date: Oct 2014 Motorcycle(s): 98 Ninja 250/F12 aka ZX-2R "SERENITY", 91 Ninja 500/A5 aka ZX-5R "Phoenix", 84 Honda GL1200A "SIREN" Posts: A lot.
Blog Entries: 25
MOTM - Jun '17, May '16, Mar '15
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Setting up suspension is to one's personal taste, and how they ride, setting the sag is important, like spring weight, oil, etc....
I set mine up for what I like, I cut and spaced out my OEM springs, 15 wt oil, and a Zx6 rear shock. Adding pre-load to a spring doesn't increase its weight, it effect sag, ride, etc....
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violente et ignorantia ZX-2R BLOG Twitter and Instagram = Ghostt_Scott I'm not here to change your mind, just to inform. |
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June 16th, 2017, 10:26 PM | #10 | |
ninjette.org certified postwhore
Name: Bill
Location: Port Huron, Michigan
Join Date: Mar 2017 Motorcycle(s): 2007 Kawasaki 250 Ninja, 1982 Honda Ascot FT500 Posts: A lot.
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Quote:
Bill |
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