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Old 03-07-2011, 03:15 PM   #91
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Sweet. Looking good. It's gonna be the best XR out there.
Thanks Josh for checking in!

Don't forget I still have your flywheel puller. I don't think I'll have to use it

Hope your SWAir interview went well!
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Old 03-07-2011, 04:31 PM   #92
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So what was the problem with the machinist?
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Old 03-11-2011, 10:28 PM   #93
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So what was the problem with the machinist?
My engine troubles are over Wib! I managed to get the cylinder re-sleeved this past week at Rbdesigns.com. Ron did a fantastic job with the Vance 100mm sleeve from XR's only.


Baisley High Performance did an A+ bead blast and polish of the head and cylinder + did a 3 angle valve cut with new KB valves, New OE springs, and new gaskets. Valve guides were ok.


Amazing. I can't believe this is the same motor




Used a tap to clean out the 6 and 8mm threads in the head. A good tip post bead blasting from Ron @ RB.


Got a really nice hand again from Steve tonight after work. We managed to install the new JE 100mm piston and cylinder. This is getting good







I have the whole day tomorrow to work on the XR
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Old 03-11-2011, 10:34 PM   #94
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It's so purdy you'll never want to get it dirty
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Old 03-15-2011, 04:00 PM   #95
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Why not new valve guides? They are extremely inexpensive, and they already had the valves out... Not bothering with the bottom end bearings and a lot of other things makes sense to me, but skipping the guides seems weird. I guess it's none of my business.
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Old 03-15-2011, 04:02 PM   #96
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Why not new valve guides? They are extremely inexpensive, and they already had the valves out... Not bothering with the bottom end bearings and a lot of other things makes sense to me, but skipping the guides seems weird. I guess it's none of my business.

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Old 03-15-2011, 04:27 PM   #97
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Why not new valve guides? They are extremely inexpensive, and they already had the valves out... Not bothering with the bottom end bearings and a lot of other things makes sense to me, but skipping the guides seems weird. I guess it's none of my business.
Too late now Wade.
Ryan, the head mech at Baisley High Performance checked out those guides right in front of me and called them good. I let the professional decide and that's what went down

Shit..I've been on this motor rebuild for six weeks now, why peep up with your 2 Cents when its all done Wade??

There is no way I'm taking all apart again for a good long time. Logged in over 20 hours this past weekend getting the top end together and installed in the frame. Mech work alone - $370 bucks, new motor parts $500+, now the motor is done. Let's hope if fires up!

Hope to get some pics up tonight
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Old 03-15-2011, 07:38 PM   #98
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hey i was thinking you know how the oil is up in the frame area in that top corner i was wondering .. can it be expanded to hold more oil ???? imagine another quart and add a oil cooler that would be nice .. im thinking next winter ill be doing what your doing :) but this was just food for thought.... EXPANDING THE OIL RESERVOIR thoughts????
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Old 03-15-2011, 07:44 PM   #99
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... EXPANDING THE OIL RESERVOIR thoughts????
It could certainly be done, but do they really need it?
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Old 03-15-2011, 07:54 PM   #100
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watching this thread closely

..as I'm restoring a 1987 ATK with XR600 engine.
Interesting how you mounted the CC breather -


I ran mine up into the airbox - you're idea looks cleaner.

I have a 'race' XR engine in pieces, and all new parts ready for install - hoping I get some inspiration from your project!

My 87 ATK resto project is here <click> in case anyone is interested.

Good luck on your project!
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Old 03-15-2011, 08:01 PM   #101
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maybe it could help for avoiding high temps as well as expanding oil changes by a few miles :) idk i was just thinking i hear about these new bikes with only holding 1 - 2 quarts of oil and needing an oil change every 500 miles or sum stuff .... thats all
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Old 03-15-2011, 08:16 PM   #102
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coming along nicely! Very thorough too.

I had my crankcase vent/filter mounted that way, but on the end of the 'cane shaped' hose near the shock reservoir.

Always better to see this




than it is this

(don't let this happen to your 100mm JE )
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Old 03-16-2011, 10:04 AM   #103
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..as I'm restoring a 1987 ATK with XR600 engine.
Interesting how you mounted the CC breather -


I ran mine up into the airbox - you're idea looks cleaner.

Good luck on your project!
The CC breather was mounted this way by the PO. I'm leaving it here for now, but most likely will run it up higher so it doesn't pull water on a high water crossing (if I ever get into one) Cool idea running it into the airbox. Thx!
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Old 03-16-2011, 10:07 AM   #104
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coming along nicely! Very thorough too.

I had my crankcase vent/filter mounted that way, but on the end of the 'cane shaped' hose near the shock reservoir.

Always better to see this




than it is this

(don't let this happen to your 100mm JE )
Thanks Blake! I know you changed out the oil pump after your piston exploded. Any other tips? The Oil pump looked like it was doing a great job on the head when I tore the motor down. Plenty of oil up in the head and the journals looked very good. Crossing my fingers. Still a ways out from firing up the motor. I need to clean the wiring harness, brakes, and carb this weekend.
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Old 03-16-2011, 12:43 PM   #105
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Did you actually test the oil pump or at least check the clearances?

Your repair manual should have instructions.

And, I agree, that breather needs to be relocated for water crossing; no reason for it not to be run up higher.
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