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-   -   Head Job (http://www.risingsun4x4club.org/forum2/showthread.php?t=18778)

rover67 11-16-2012 09:41 AM

Head Job
6 Attachment(s)
I took the 525 apart last night. I think all in all it looks pretty good. Piston and Cylinder look very clean with little to no scoring.

I am thinking new rings, rebuild the head, quick go through the carb and call it a day.

The cam shaft where the seal for the water pump goes does look a little munched though.

rover67 11-16-2012 09:44 AM

4 Attachment(s)
And I figure since it is down for a little while I might as well go through the suspension. I am taking the front forks and rear shock to hitchcock and will service all the pivot points and bearings on the bike. the rear swing arm bearing creaks a bit and the steering stem bearings feel like they have a detent they fall into.

The pipe is kinda munched also. I tried the water trick last night and it helped a little bit. I am just gonna leave it in the back yard and let it go through a bunch of freeze thaw cycles and see how it progresses.

rover67 11-16-2012 09:45 AM

FJ40 is next.

nakman 11-16-2012 10:37 AM

Yeah that galling on that shaft looks mean, so do you try to machine that down & sleeve it somehow? Or get a new one?

rover67 11-16-2012 11:17 AM

Yeah that's where all the coolant was going. Hopefully the Dave Hopkins guy can do the head work and look at this also. If not I'll work on it... I agree it looks surprisingly gnarly now that I look back at the photo.

On the bright side, I talked to Neil at Hitchcock... I am going to visit him after lunch to drop off the front forks and rear shock :)

60wag 11-16-2012 12:09 PM

I'll bet a new cam shaft is rec'd. Are you going to replace the valves?

egesledder 11-16-2012 02:08 PM

So that's why your bike had a nice sweet coolant smell to it.

What you really need is the high compression 570 kit Marco:


Maybe you'll be able to keep up after that.

wesintl 11-16-2012 02:21 PM


Originally Posted by egesledder (Post 222040)
Maybe you'll be able to keep up after that.

http://cdn.techpatio.com/wp-content/.../homer-doh.jpg.:lmao:. Nice first post :D

nakman 11-16-2012 03:26 PM


Originally Posted by wesintl (Post 222042)
. Nice first post :D

Yeah no kidding! tough room today in bikeland. :lmao:

rover67 11-16-2012 08:53 PM

Yes very nice.. That gave me a good chuckle..

Perhaps you can keep up the next time we go to the go kart track. Much less manly than dirtbikes I know but it's all I got.


Suspension is at Hitchcock, still waiting to hear from Dave to send off the head. Been looking for cams.. I'm pretty sure I want to stay stock if possible.

Also if anybody is interested in my auto clutch and lhrb in trade for a stock setup let me know.

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