1st to 2nd clutch slippage

atomicrm · March 5th, 2012, 10:56 PM

if i am really getting on the bike and go from 1st to second i get what feels like at least like a lot of clutch slippage. my body shoots forward a lot as i slow down some from the lack of acceleration for that half a second or so. is this just typical wet clutch performance or is my clutch adjusted improperly?
i know I can shift clutchlessly. just curious if this is how it should react.

atomicrm · March 5th, 2012, 11:04 PM

the slipping seems to happen when i release the clutch to engage second when at high rpms. when i say high i mean like after nearly redlining

atomicrm · March 5th, 2012, 11:18 PM

accelerate in first to redline, let off gas and clutch and shift very fast(motogp style

) let clutch back out and it seems like the clutch slips and struggles to engage at the high rpms once engaged it is fine though

Alex · March 6th, 2012, 12:54 AM

Hard to tell from your description whether you're slipping the clutch too much unnecessarily, or if there is something wrong with the clutch adjustment.

Motofool · March 6th, 2012, 07:25 AM

Quote:

Originally Posted by atomicrm

the slipping seems to happen when i release the clutch to engage second when at high rpms. when i say high i mean like after nearly redlining

No need to reach those high rpm's between 1 and 2.

Check that you have at least a minimum slack in the lever entering the clutch cover when the clutch is released.

Nemesis · March 6th, 2012, 08:05 AM

Normal and operator error. Move along plz.

cbdallas · March 6th, 2012, 08:25 AM

My '94 did this too until I replaced the plates, fibers & springs. I found out after I took it apart that I probably could've gotten away with just new springs, as the plates & fibers looked fine.

But before you go tearing into the bike, make sure that when you release the clutch, there's at least a couple mm of space between the lever and the base..that's your freeplay, and there needs to be some. If the handle rests against the base after release, use the adjustment screw on the base to add some freeplay.

If you get slippage after an adjustment, you may need new springs, or a whole new setup depending on how worn the fibers & plates are.

Whiskey · March 6th, 2012, 01:55 PM

Sounds like you're revving it too high in 1st & it's you not the bike tbh.
the shift from 1st to 2nd is the longest, so it sounds like you're botching the shift by pinning it to redline and mis-judging where your revs need to be to re-engage smoothly.

Try revving it to about 8k then changing see if that helps.

I wouldn't clutchless shift 1>2, that's tempting fate with hitting neutral, but 2>3 and so on are fine.

The bike can get a little picky about shifting if it needs an oil change.

Adjust your riding style (lower RPM shift from 1st) , check your lever for play (is it in spec?) and change the oil & filter (In that order with a test run in between each step) before deciding you have to take the bike apart & buy loads of new pieces.

March 5th, 2012, 10:56 PM	#1
atomicrm ninjette.org member Name: Kevin Location: Texas Join Date: Oct 2011 Motorcycle(s): 2009 250R Posts: 76	1st to 2nd clutch slippage if i am really getting on the bike and go from 1st to second i get what feels like at least like a lot of clutch slippage. my body shoots forward a lot as i slow down some from the lack of acceleration for that half a second or so. is this just typical wet clutch performance or is my clutch adjusted improperly? i know I can shift clutchlessly. just curious if this is how it should react.

March 6th, 2012, 12:54 AM	#4
Alex 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	Hard to tell from your description whether you're slipping the clutch too much unnecessarily, or if there is something wrong with the clutch adjustment. __________________________________________________ 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)

March 6th, 2012, 08:05 AM	#6
Nemesis CVMA #74 WSMC #750 Name: Nemesis Location: On the track Join Date: Oct 2009 Motorcycle(s): All of them Posts: A lot.	Normal and operator error. Move along plz. __________________________________________________

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March 5th, 2012, 11:04 PM	#2
atomicrm ninjette.org member Name: Kevin Location: Texas Join Date: Oct 2011 Motorcycle(s): 2009 250R Posts: 76	the slipping seems to happen when i release the clutch to engage second when at high rpms. when i say high i mean like after nearly redlining

March 5th, 2012, 11:18 PM	#3
atomicrm ninjette.org member Name: Kevin Location: Texas Join Date: Oct 2011 Motorcycle(s): 2009 250R Posts: 76	accelerate in first to redline, let off gas and clutch and shift very fast(motogp style ) let clutch back out and it seems like the clutch slips and struggles to engage at the high rpms once engaged it is fine though

March 6th, 2012, 08:25 AM	#7
cbdallas ninjette.org guru Name: Charlie Location: Wylie, TX Join Date: Nov 2011 Motorcycle(s): 2007 Ninja 650R Posts: 317	My '94 did this too until I replaced the plates, fibers & springs. I found out after I took it apart that I probably could've gotten away with just new springs, as the plates & fibers looked fine. But before you go tearing into the bike, make sure that when you release the clutch, there's at least a couple mm of space between the lever and the base..that's your freeplay, and there needs to be some. If the handle rests against the base after release, use the adjustment screw on the base to add some freeplay. If you get slippage after an adjustment, you may need new springs, or a whole new setup depending on how worn the fibers & plates are.

March 6th, 2012, 01:55 PM	#8
Whiskey ninjette.org certified postwhore Name: Morgan Location: A city twinned with Kawasaki Join Date: Nov 2011 Motorcycle(s): '08 Ninja 250, 2010 STR 675 Posts: A lot. Blog Entries: 1	Sounds like you're revving it too high in 1st & it's you not the bike tbh. the shift from 1st to 2nd is the longest, so it sounds like you're botching the shift by pinning it to redline and mis-judging where your revs need to be to re-engage smoothly. Try revving it to about 8k then changing see if that helps. I wouldn't clutchless shift 1>2, that's tempting fate with hitting neutral, but 2>3 and so on are fine. The bike can get a little picky about shifting if it needs an oil change. Adjust your riding style (lower RPM shift from 1st) , check your lever for play (is it in spec?) and change the oil & filter (In that order with a test run in between each step) before deciding you have to take the bike apart & buy loads of new pieces.