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yam thundercat (chain snapped)

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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 20:54 - 19 Oct 2015    Post subject: yam thundercat (chain snapped) Reply with quote
Hi guys. Ive recently bought a yamaha thundercat to do up for my missus for whenshe passes her test. I bought it off my mate as a project. Its in decent condition however he recently snapped the chain at low speed causing damage to the sprocket casing & clutch push rod. Im hoping this is fixable with a new push rod, seal & casing. What concerns me is the hole that the pushrod goes through is slightly distorted. Could this be fixed with a liquid metal of some kind or is it a swap of engine??. Your advice would be much appreciated.
Regards Dai
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Pete.
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Joined: 22 Aug 2006
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PostPosted: 21:00 - 19 Oct 2015    Post subject: Reply with quote
If the new rod goes through and the seal holds oil it should be good. Put up a photo of the damage.
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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 21:03 - 19 Oct 2015    Post subject: Reply with quote
How do i put a pic on here lol?? Im using my mobile atm lol.
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stinkwheel
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Joined: 12 Jul 2004
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PostPosted: 21:27 - 19 Oct 2015    Post subject: Reply with quote
Daiiawn wrote:
How do i put a pic on here lol?? Im using my mobile atm lol.


I don't know if it appears differently on a mobile but normally you'd do the following:

Click "post reply"

Type your reply.

Click "Add an attachment".

Click "choose file"

Navigate to the picture you want to attach on your device.

Click "add attachment"

Rinse and repeat until you've added all the attachments you want, then click submit.

OR

Upload the pictures to a third party hosting site like photobucket and using the direct link to the picture type the following in your reply:

Code:

[IMG]http://www.webaddress.com/picturename.jpg[/IMG]

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I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 22:05 - 19 Oct 2015    Post subject: Reply with quote
Here
https://i902.photobucket.com/albums/ac221/Daiiawn007/Mobile%20Uploads/Screenshot_2015-10-19-22-59-02_zps6zobssf9.png[/img]
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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 22:07 - 19 Oct 2015    Post subject: Reply with quote
Not an amazing pic. Ill try again 2moz.
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andys675
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Joined: 08 Feb 2007
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PostPosted: 22:26 - 19 Oct 2015    Post subject: Reply with quote
dry it off with some brake cleaner or another trichloroethylene type spray so it is oil free and use some really good sealant around the seal, some proper three bond crankcase stuff like yamabond or kawabond and then let it dry before you test it

my mate ripped the water pump out of his hayabusa crankcases when the chain broke and got it repaired, sudden influx of nitrous oxide ovrcame the chain strength
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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 15:19 - 20 Oct 2015    Post subject: Reply with quote
Cheers. Ill give it a go.
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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 19:21 - 25 Oct 2015    Post subject: Reply with quote
just a quick update on this post. the new pushrod has arrived so has the sprocket cover, pushrod seal & new sprocket nut.

Im gonna start the work when i get time this week hopefully.

which way does the seal go?? lol.

also where can i get the sprocket casing bolts from without buying a full engine set from pro-bolt?
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moonzoomer
World Chat Champion



Joined: 01 Jul 2012
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PostPosted: 19:31 - 25 Oct 2015    Post subject: Reply with quote
Also change the front sprocket retaining nut to the upgraded item if not already done, they are prone to letting go which means a complete engine strip to replace the knackered output shaft.

https://www.ebay.co.uk/itm/GENUINE-YAMAHA-YZF600R-THUNDERCAT-FRONT-SPROCKET-NUT-AND-WASHER-KIT-/131182167337
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moonzoomer
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Joined: 01 Jul 2012
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PostPosted: 19:57 - 25 Oct 2015    Post subject: Reply with quote
pics
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Daiiawn
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Joined: 19 Oct 2015
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PostPosted: 20:10 - 25 Oct 2015    Post subject: Reply with quote
Yeah got them buddy. Its the seal im most worried about because the hole is warped as shown in the pic above.
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Daiiawn
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PostPosted: 08:18 - 27 Oct 2015    Post subject: Reply with quote
Anyone know what size & length the sprocket casing bolts are please??.
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Old Thread Alert!

The last post was made 10 years, 55 days ago. Instead of replying here, would creating a new thread be more useful?
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