06-06-2016, 04:02 AM
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#1 |
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Join Date: Feb 2016
Posts: 98
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Hawk clutch slipping?
So last weekend I got into a pretty gnarly uphill climb on fist sized rocks and stalled it. Trying to start again I dug in a bit as in rocks gone and digging into terra firma. This is when I noticed that if I gave it a good amount of throttle to not stall out I could hear a horrible sound from the engine as I feed in clutch. The clutch engages at a reasonable spot on the lever so I thought I had it right. Rotella 15w40 that I thought is JASA. So what to do? Fiddle with the clutch adjustments or is it the oil?
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06-06-2016, 04:31 AM
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#2 |
Join Date: Jan 2012
Location: ChCh , NZ
Posts: 2,266
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You maybe right I couldn't find a JASO rating for any of the Rotella products
on the Shell web site.... maybe there.. but well hiden.. motor bike oil has to do 3 jobs... A... lube the motor... B... handle the high shear loads of the gears in the box.. C... have fast squeeze out to stop clutch slip... ...
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09 XT660R ... 06 TTR250 ... 80 Montesa H6 125 Enduro... 77 Montesa Cota 348 MRR "Malcom Rathnell Replica"... Current resto projects.. 81 Honda CT110... 80 Kawasaki KL250A1... 11 Husaburg TE125 enduro... "sold" along with another 31... Lifan 125 Pitbike.. "stolen" ... KIWI BIKER FORUM...... http://www.kiwibiker.co.nz/forums/content.php All the best offroad rides in NZ... http://www.remotemoto.com/ E-mail... xtpete1@gmail.com Last edited by pete; 06-06-2016 at 05:01 AM. |
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06-06-2016, 01:55 PM
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#3 |
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Join Date: Dec 2015
Location: CO
Posts: 1,525
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It's all there for you to see, in several places actually... on their bottles, on their website pages, and on their PDF files on their website... look for the "; JASO DH-2, MA;" approval
http://s02.static-shell.com/content/...6-brochure.pdf http://s06.static-shell.com/content/...5-brochure.pdf http://s08.static-shell.com/content/...e-brochure.pdf
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"Think as you like... but this self proclaimed Professor is always right" - Buckshot  "You never know what someone is hiding beneath their smile..." - NinjaTom - R.I.P. |
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06-21-2016, 08:43 AM
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#5 |
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Join Date: Dec 2015
Location: CO
Posts: 1,525
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"10 - 20mm of freeplay on the clutch lever" (0.39 - 0.79 inches of freeplay)
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"Think as you like... but this self proclaimed Professor is always right" - Buckshot "You never know what someone is hiding beneath their smile..." - NinjaTom - R.I.P. |
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06-21-2016, 02:34 PM
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#6 | |
Join Date: Feb 2016
Location: George West, Texas
Posts: 4,097
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Quote:
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***************************************** 2015 Bashan"Blaze" BS250GY-31 (DB-07K-250) GONE 2017 Suzuki V Strom 650 XT "We are all born ignorant, but one must work hard to remain stupid." ~Benjamin Franklin~
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06-21-2016, 03:55 PM
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#7 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Potential clutch slippage. On my English bikes, I maintained 1/8 - 3/16ths freeplay. And I eyeballed it frequently. Not just before I rode. The clutch on my Ariel Red Hunter was so sweet, I did not anything to go wrong. That was a cork lined almost dry clutch. These are wet clutches. More inclined to drag, but hard to overheat. I would check everything from the clutch activator on up to the handlebar lever. I have seen pictures of factory miss-aligned cable holders down on the motor/transmission. Get it all working smooth and you will lower the chances of clutch drag/overheating.
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06-21-2016, 07:53 PM
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#8 | |
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Join Date: Feb 2016
Location: George West, Texas
Posts: 4,097
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Quote:
__________________
***************************************** 2015 Bashan"Blaze" BS250GY-31 (DB-07K-250) GONE 2017 Suzuki V Strom 650 XT "We are all born ignorant, but one must work hard to remain stupid." ~Benjamin Franklin~
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06-22-2016, 10:23 AM
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#9 | |
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Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Yes it is. And even more like having no free play at the clutch pedal.
 Too loose can cause clutch drag, so don't over do it. On a wet clutch, 1/4-3/8 inch free play may be better.Quote:
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Linear Mode
