Rubber Counter Balancers

zoom45 · 04-26-2010, 08:57 AM

Counter balancers...
What are they for, where are they mounted and when would you know they need to be replaced?
Thanks,
Zoom45

**ringadingh** · 04-26-2010, 09:55 AM

They absorb excessive vibration in the motor, if you develope a knock or the motor vibrates more than it used to, this may be the reason. They are located in the bottom of the motor, and are accessable on the LH side of the engine.
Ive never replaced them myself, but others have and say it not that difficult, and does make a difference when finished.

lomax · 04-26-2010, 10:33 AM

Zoom
A symptom of counter balance rubber problems can be a type of bottom end knock. The balance shaft is located just ahead of the crankshaft. Replacing them is not to difficult but does involve removiing the stator cover and stators. Also keep in mind that removal of these gears involves messing with valve timeing. Check the link below, courtesy of Chuckster, to give you an idea of what they are about! :)

http://www.flickr.com/photos/chuckst...929031/detail/

**ringadingh** · 04-26-2010, 01:01 PM

Those pics explain a lot. It looks like an ok job to try someday.

rickyboy · 04-26-2010, 03:06 PM

Thanks Mike, I bookmarked that page.

leadbelly · 04-26-2010, 05:38 PM

Seems like a guy would need a whole lot of milage on the bike before these would wear out.... has anyone got an average milage before looking at replacing these?

**ringadingh** · 04-26-2010, 06:45 PM

I think Chuckster has replaced them on a couple bikes, I have no idea at what mileage .
I posted the part numbers for the gaskets and dampeners required on the Tech board.

AlabamaNomadRider · 04-27-2010, 11:47 AM

Thanks for the link and thanks for posting on the tech board.

04-26-2010, 08:57 AM	#1
zoom45 Sr. Member Join Date: Jul 2007 Location: Terry, Mississippi Posts: 1,434	Rubber Counter Balancers Counter balancers... What are they for, where are they mounted and when would you know they need to be replaced? Thanks, Zoom45 __________________ Bobby Risher Terry, MS Kawanow member # 124 South Central Group 2000 Nomad 1500 (carbed) 128,000 miles Login or Register to Remove Ads
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04-26-2010, 09:55 AM	#2
ringadingh Join Date: Aug 2007 Location: Newmarket Ontario Canada Posts: 35,387	Rubber Counter Balancers They absorb excessive vibration in the motor, if you develope a knock or the motor vibrates more than it used to, this may be the reason. They are located in the bottom of the motor, and are accessable on the LH side of the engine. Ive never replaced them myself, but others have and say it not that difficult, and does make a difference when finished. __________________ 2002 Nomad aka Bountyhunter VBA #27 VROC #18951
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04-26-2010, 10:33 AM	#3
lomax Advanced Member Join Date: Jul 2007 Location: Morinville, AB Posts: 904	Rubber Counter Balancers Zoom A symptom of counter balance rubber problems can be a type of bottom end knock. The balance shaft is located just ahead of the crankshaft. Replacing them is not to difficult but does involve removiing the stator cover and stators. Also keep in mind that removal of these gears involves messing with valve timeing. Check the link below, courtesy of Chuckster, to give you an idea of what they are about! :) http://www.flickr.com/photos/chuckst...929031/detail/ __________________ ________________________________ "lomax" 2014 Voyager Mike Donahue Morinville, AB VBA#17 "Every day above ground is a good one!" _________________________________
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04-26-2010, 01:01 PM	#4
ringadingh Join Date: Aug 2007 Location: Newmarket Ontario Canada Posts: 35,387	Rubber Counter Balancers Those pics explain a lot. It looks like an ok job to try someday. __________________ 2002 Nomad aka Bountyhunter VBA #27 VROC #18951
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04-26-2010, 03:06 PM	#5
rickyboy Top Contributor Join Date: Jun 2007 Location: 108 Mile Ranch B.C. Canada Posts: 5,472	Rubber Counter Balancers Thanks Mike, I bookmarked that page. __________________ Nomad'a What ! "rickyboy" Richard Cole Canada West Region 108 Mile Ranch, British Columbia Canada Vulcan Bagger Assoc. #00722 Black 2006 Nomad https://cdn2.iconfinder.com/data/ico...Book_32x32.png Login or Register to Remove Ads
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04-26-2010, 05:38 PM	#6
leadbelly Member Join Date: Dec 2009 Location: Calgary, Alberta Canada Posts: 340	Rubber Counter Balancers Seems like a guy would need a whole lot of milage on the bike before these would wear out.... has anyone got an average milage before looking at replacing these? __________________ '08 Blue/Silver
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04-26-2010, 06:45 PM	#7
ringadingh Join Date: Aug 2007 Location: Newmarket Ontario Canada Posts: 35,387	Rubber Counter Balancers I think Chuckster has replaced them on a couple bikes, I have no idea at what mileage . I posted the part numbers for the gaskets and dampeners required on the Tech board. __________________ 2002 Nomad aka Bountyhunter VBA #27 VROC #18951
	0

04-27-2010, 11:47 AM	#8
AlabamaNomadRider Sr. Contributor Join Date: Jul 2009 Location: Boaz, Alabama Posts: 13,742	Rubber Counter Balancers Thanks for the link and thanks for posting on the tech board. __________________ Gene Cross, Jr. Boaz, Alabama KawaNOW/VBA #1181
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