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Old 01-30-2011, 09:36 PM   #61
rcerrie
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Nice, getting there!!!
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Old 01-31-2011, 12:33 PM   #62
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Looking good!!
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Old 01-31-2011, 12:51 PM   #63
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Originally Posted by artimious7@yahoo.com View Post
Looking good!!
Thanks so much for the props!!

Hope this week to get the engine fully cleaned up and get my newly bored cyclinder back from Rb Designs this weds!

Just got my big parts order in from OEMcycle today

Now just gearing up for the case split on Feb 12th.

Should have all those parts early next week.
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Old 02-01-2011, 08:55 PM   #64
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I bought a caliper on CL

Dunno what was all over it but nothing would take it off

Here it is after soaking a day in Berryman's



I ended up using a wire wheel

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Old 02-02-2011, 09:02 AM   #65
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Thanks for that tip on Berryman's Wibby!

I have this whole next weekend to work on my XR! I will run out and pick up some Berryman's chem dip. I als wanted to soak the carb too in a good Chem Dip. Will do!
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Old 02-13-2011, 10:55 AM   #66
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Finally an update on the motor progress over the past two weekends. Finally have some forward momentum going

Using wire brushes and 2.5% Phosphoric Acid the case cleaned up nicely

Spent an afternoon cleaning up the case last weekend.






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Old 02-13-2011, 11:18 AM   #67
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Yesterday with the invaluable help from my friend Luke (this is his ADV screen name too), we split the cases to replace the countershaft. In my short 11 year motorcycling career, this is my first case split What an experience!

Here we go:

Right Cover Off


Clutch Basket Next


Used an air gun to remove the 27mm nut behind the clutch basket. That worked well.


Removed the kickstarter, oil pump, ignition sensor, etc to strip out the right side components completely.

Next up was the case split. This took some time and a lot of elbow grease. Definitely the most difficult task in the whole process was this center case separation.

Here we go.
I made a case splitter using two 4' lengths of 2x2 an used a chunk of 2x4 to make fulcrum and applied the pressure on opposite sides of the case through the cylinder opening:


The start of some separation


Finally got the case pins separated


The propane torch is coming in handy trying to loosen up the case pins


Success


The crankshaft and transmission look good for a 17 year old XR


The new countershaft


Look how crisp the splines are


The old splines (just for reference)
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Old 02-13-2011, 11:49 AM   #68
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The transmission is out



Fun times - getting all the old gaskets off - much faster with two working


The side cases are looking cleaned up and ready for reassembly


New countershaft installed and transmission reassembled




Ready to reassemble the cases






Reassemble Right Side Case Components (Clutch Plates all above spec)


New Ricky Stator


Right case cleaned up and ready for installation


Bottom end is completely finished!







Wow..a 10 hour marathon on the bottom end rebuild but we did it in just one day!

I'm greatly indebted to Luke for his assistance and knowledge

Luke, please enjoy the 4 cases of tasty beer from my employer Widmer Brewing and again a Big Thank You!

Brauhausbier screwed with this post 02-13-2011 at 11:56 AM
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Old 02-14-2011, 12:22 PM   #69
cpmodem
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Looks great Eric. I can see the scientist in your method of operation. Looks like PO let the cs sprocket nut get lose.
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Old 02-14-2011, 05:18 PM   #70
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Wow! Impressive work!!
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Old 02-14-2011, 06:25 PM   #71
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Wow! Impressive work!!
Thanks Sector and CP! Hopefully I''ll get the cylinder head together by the end of the month! Got a new sleeve coming for the cylinder and the head is at a fantastic local moto cylinder head shop called Baisley Performance www.baisley.com just down the street from us! These guys have been just fantastic! New KB valves, new OE valve springs, and new gaskets. Plus, the Baisley guys will bead blast the head and cylinder + polish. I can't say enough about Bailsely..absolutely A+
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Old 02-14-2011, 06:34 PM   #72
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Did not see or or hear you mention bearings and crank seals

Woulda been a good time
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Old 02-14-2011, 06:37 PM   #73
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Did not see or or hear you mention bearings and crank seals

It's not a 2 stroke...
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Old 02-14-2011, 06:42 PM   #74
wibby
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It's not a 2 stroke...
well duh

still I'd be replacing bearing while I had the chance

cheap insurance
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Old 02-14-2011, 06:54 PM   #75
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well duh

still I'd be replacing bearing while I had the chance

cheap insurance

Disagree. The XR bearings are big, expensive, and reliable.
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