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how do I rebuild a 2-stroke crankshaft?   Message List  
Reply | Forward Message #16095 of 16717 |
Re: how do I rebuild a 2-stroke crankshaft?


>Devcon and others make metal-filled epoxies specifically for the surface
>repair of pneumatic/hydraulic cylinders.
>
><http://www.devcon.com/products/products.cfm?familyid=124>http://www.devcon.com\
/products/products.cfm?familyid=124


I've used these and they're very good, but pn / hyd cylinders don't
get very hot.



Cheers IAN


See www.drysdalev8.com for :
- Drysdale 750-V8 Sports & 1000-V8 Cruiser
- DRYVTECH 2x2x2 Experimental
- Carberry Enfield 1000cc V-Twin
- Drysdale Hillclimb Open Wheeler
Fri Jul 10, 2009 11:30 pm

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iwd@...
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Forward 		Message #16095 of 16717 |
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Hi all! i'm currently rebuilding a friend's 2 stroke engine, a yamaha rx135 single. There are corrosion pits (metal eaten away) because the motor was not used... 		satanael21
Offline Send Email 		Jul 7, 2009
11:56 pm

Where is this metal eaten away ? On the steel crank ? Bronze welding requires HEAT = would probably warp the crank - and reduce the steels strength...
RohanB
newboltz333@...
Send Email 		Jul 8, 2009
12:27 am

... I'd be shy about bronzing them. There are these really trick little ultra thin hardened sleeves that you can buy, used on truck cranks and similar, only...
Ian
iwd@...
Send Email 		Jul 8, 2009
4:17 am

Grind, chrome plate, degas, regrind. Ken A ________________________________ From: Ian <iwd@...> To: mc-engine@yahoogroups.com Sent: Tuesday, July 7, 2009...
Ken Augustine
Kineticanalysis
Offline Send Email 		Jul 8, 2009
4:25 am
Danny Whitfield
danny_whitfield
Offline Send Email 		Jul 8, 2009
1:19 am

Yes, they are called Redi-Sleeve or Speedy Sleeve or Seal Saver.. they work great.! They are a super thin stainless sleeve that pressed on to the shaft. I...
GStarRon@...
gsr6042000
Offline Send Email 		Jul 8, 2009
4:46 am

They supplied some heat-conductive compound for instances where there is a deep worn groove. Without it, the thin sleeve could overheat locally, due to no...
Jordan
jprincic
Offline Send Email 		Jul 8, 2009
11:01 am

If it only where the seal runs on the shaft and depending on the depth, it can be turned down on a lathe to clear the pits. What I have done in the past is...
Wallace Weideman
marshengnz
Offline Send Email 		Jul 8, 2009
11:39 am

The corrosion pits are located on the right side (clutch side where the stagnant oil probably ate the materials. As per visual inspection the pits are not that...
satanael21
Offline Send Email 		Jul 9, 2009
7:11 am

Devcon and others make metal-filled epoxies specifically for the surface repair of pneumatic/hydraulic cylinders. ...
Michael Moore
mmooreeurosp...
Offline Send Email 		Jul 10, 2009
9:39 pm

... I've used these and they're very good, but pn / hyd cylinders don't get very hot. Cheers IAN See www.drysdalev8.com for : - Drysdale 750-V8...
Ian
iwd@...
Send Email 		Jul 10, 2009
11:31 pm
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