CVT Pulley Bolt - Page 3 - Suzuki Burgman Forum
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post #21 of 39 (permalink) Old 10-31-2014, 04:24 AM
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Great pic that explained so much. Thank you for that. My bike seemed to have the new bolt but had some good dings in it at 9,000 so I will definitely keep an eye on it. IF it shows signs of wear again let me ask you this, do I pull my car out of the garage for a while and pull this thing apart? And I am sure I can do it after working on my bikes and muscle cars when younger, but I hope there is a streamlined way to fix this problem. I am worried about the plastic gear also, what do they do exactly and what should we be listening or feeling for before we are stranded on the side of the road???
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post #22 of 39 (permalink) Old 10-31-2014, 06:17 AM
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The plastic gears connect the stepper motor that adjusts the primary pulley pitch to the primary pulley:



Here is a "flash" (and not all that goog) animation of how it works...

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post #23 of 39 (permalink) Old 10-31-2014, 11:51 AM
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Quote:
Originally Posted by CAP10 View Post
My bike seemed to have the new bolt but had some good dings in it at 9,000 so I will definitely keep an eye on it. IF it shows signs of wear again let me ask you this, do I pull my car out of the garage for a while and pull this thing apart?

I am worried about the plastic gear also, what do they do exactly and what should we be listening or feeling for before we are stranded on the side of the road???
That's a good question. I would say it depends on the severity of the damage to the bolt and how quickly it got that way. This one had severe damage and had stripped gears/internal primary pulley damage (keys). Up to you how it feels if you want to do a exploratory on it. I plan to do that on my '09 because it's making some belt noise like my '03 did but it could end up being normal, just want to be sure.

I think cliffy's post covered the gears.


'03 Coast Cyan Atlantic 500
'14 White MyRoad 700i
'09 Mirage White Burgman 650, Yoshi Carbon/Stainless Exhaust, Bazzaz Z-Scoot Fuel Control
'06 Oort Gray Burgman 650 rebuilt/upgraded CVT
'06 Oort Gray Burgman 650 another parts bike or project, CVT int failure
'05 Sonic Silver Burgman 650 body damaged, stripped down/rebuilding back up on hold
'03 Space Blue Burgman 650, rebuilt/upgraded CVT with Polish adapter
'03 Space Blue Burgman 650 parts bike, failed CVT splines/brg

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post #24 of 39 (permalink) Old 11-09-2014, 05:55 PM
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Just rolled over 10K on my 2007 Burgman 650. I bought it last year (2013) with only 2,300 miles. Just to be safe, I replaced the original CVT stopper bolt with a new one at 4K miles. It had only a small indentation (see photos below). Replaced with new 21749-10G10 part at 4K miles so the current one had 6K miles on it.

I've read where some Burgman owners have had their stopper bolts chewed up in less than 10K miles, but mine seems to be doing OK.




Original (replaced at 4K miles) and current one (at 10K miles: 6K miles of usage)




Original showed minor discoloration on one side at 4K miles.




Original had small indentation at 4K miles. Doesn't look serious enough to worry about, but I replaced it anyway since the new one is only $5.





Close-up of original at 4K miles.



Another view of original at 4K miles.





Current stopper bolt (new 21748-10G10 part #) with 6K miles of usage.






Another view of current stopper bolt with 6K miles of usage.




New one to be installed. I won't worry about checking this one for 10K miles or so.

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Last edited by BurgPnoMan; 11-09-2014 at 06:02 PM.
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post #25 of 39 (permalink) Old 11-09-2014, 08:16 PM
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oops

Oops - typo in the first paragraph of the previous post and it's too late to let me edit.

I should have typed part # 21748-10G10 (not 21749-10G10)

Last photo clarifies it, though.

Sorry.

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post #26 of 39 (permalink) Old 11-14-2014, 08:31 AM
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how can you tell if the bolt is a 2010 up, does it have a different marking on the top of the bolt without taking it out,
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post #27 of 39 (permalink) Old 11-14-2014, 09:29 AM
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Quote:
Originally Posted by kieran View Post
how can you tell if the bolt is a 2010 up, does it have a different marking on the top of the bolt without taking it out,
It would be a black color.

'03 Coast Cyan Atlantic 500
'14 White MyRoad 700i
'09 Mirage White Burgman 650, Yoshi Carbon/Stainless Exhaust, Bazzaz Z-Scoot Fuel Control
'06 Oort Gray Burgman 650 rebuilt/upgraded CVT
'06 Oort Gray Burgman 650 another parts bike or project, CVT int failure
'05 Sonic Silver Burgman 650 body damaged, stripped down/rebuilding back up on hold
'03 Space Blue Burgman 650, rebuilt/upgraded CVT with Polish adapter
'03 Space Blue Burgman 650 parts bike, failed CVT splines/brg

www.gotgroceries.net
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post #28 of 39 (permalink) Old 11-14-2014, 01:21 PM
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does the bolt for the 2013 model have 7P on the bolt head,
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post #29 of 39 (permalink) Old 11-14-2014, 01:50 PM
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This is what the one in the 2013 model at the MC show had and it's the same as my '03 with the updated assembly.




'03 Coast Cyan Atlantic 500
'14 White MyRoad 700i
'09 Mirage White Burgman 650, Yoshi Carbon/Stainless Exhaust, Bazzaz Z-Scoot Fuel Control
'06 Oort Gray Burgman 650 rebuilt/upgraded CVT
'06 Oort Gray Burgman 650 another parts bike or project, CVT int failure
'05 Sonic Silver Burgman 650 body damaged, stripped down/rebuilding back up on hold
'03 Space Blue Burgman 650, rebuilt/upgraded CVT with Polish adapter
'03 Space Blue Burgman 650 parts bike, failed CVT splines/brg

www.gotgroceries.net

Last edited by MJR; 11-14-2014 at 01:54 PM.
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post #30 of 39 (permalink) Old 12-13-2015, 01:13 PM
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Quote:
Originally Posted by kieran View Post
how can you tell if the bolt is a 2010 up, does it have a different marking on the top of the bolt without taking it out,

It would be a black color.

Another good thread! Such interesting and helpful folks. Great information share and inquiries.

Could someone either create a table/comparison, or direct me to one if exists ... a Summary of 2010 vs older bolt.
Markings, color, size, PART NUMBER DIFFERENT?, ...
interchangable?...?

21748 10G10 Pulley stopper bolt

Cheers my friends, and especially M!
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