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June 18th, 2017, 11:01 AM
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#1 |
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ninjette.org newbie
Name: cabra
Location: San Francisco
Join Date: Jun 2017 Motorcycle(s): 2007 EX250 Posts: 6
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Knocking noise (with video !)
Posted in wrong forum- oops. Please close this thread.
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June 18th, 2017, 11:21 AM
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#2 |
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ran when parked
Name: Katie
Location: DC/MD
Join Date: Aug 2013 Motorcycle(s): Freeride 250R, KLX250SF, mopeds Posts: A lot.
MOTM - Sep '17, Dec '14
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the video won't open on my computer.
there is no "standard clutch rattle" for a ninja 250. I would be worried about the needle bearings, warped clutch plates, notches in the clutch hub or basket, worn out clutch springs... does the bike do anything weird? "drag" or clutch slipping? does it creep forward when you put it in gear? secondly I might worry about crankshaft bearings but probably those are fine if the noise goes away when you pull the clutch in |
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June 18th, 2017, 12:18 PM
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#3 |
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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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The PreGen has the basket noise which is very common on the PreGen, and nothing to worry about. It's a design flaw. It make a knocking sound, but if you engage/pull in on the clutch the sound goes away.
The NewGen basket is a different design and doesn't suffer from it. Someone here swapped a complete NewGen basket/clutch setup on a PreGen, and it works and fixes this problem, the downside is price. @Alex please move to PreGen Tech section.
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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 18th, 2017, 12:19 PM
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#4 |
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ran when parked
Name: Katie
Location: DC/MD
Join Date: Aug 2013 Motorcycle(s): Freeride 250R, KLX250SF, mopeds Posts: A lot.
MOTM - Sep '17, Dec '14
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I have worked on a bunch of pre-gen ninja 250s and never heard a knocking noise from the clutch. getting the video to work would be super helpful!
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June 18th, 2017, 12:34 PM
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#5 |
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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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Interesting, I know is common with PreGen there are a bunch about it.
https://redirect.viglink.com/?format...he_clutch%253F Here's the link for doing the NewGen swap https://www.ninjette.org/forums/showthread.php?t=259395
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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 18th, 2017, 01:02 PM
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#6 | |
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Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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Quote:
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June 18th, 2017, 03:26 PM
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#7 | |
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ninjette.org newbie
Name: cabra
Location: San Francisco
Join Date: Jun 2017 Motorcycle(s): 2007 EX250 Posts: 6
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Quote:
Ghost & Triple Jim- This sounds like we're talking about the same noise- I hope you're both right and this is just a design flaw that won't affect performance (or explode). PS> thanks for all the help so far, even though I posted this question in the wrong subforum! |
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June 18th, 2017, 04:07 PM
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#8 |
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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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Still no go on your file, but it's simple enough to test, when it's making the noise just disengage the clutch, squeeze the lever, if noise goes away th n that's your problem, and it's nothing to worry about.
Both my Ninjette and EX500 make the same noise and it's nothing to worry about.
__________________________________________________
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 19th, 2017, 10:44 AM
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#9 |
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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.
Blog Entries: 7
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/moved to pre-gen tech
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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 19th, 2017, 02:58 PM
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#10 |
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????????????????
Name: T
Location: no where
Join Date: Feb 2016 Motorcycle(s): 2007 ninja 250, 14 ninja 300, 09 1125CR Posts: A lot.
MOTM - May '17
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it is common for pre gens mine does it to, sounds like an old ducati dry clutch.
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