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Old 05-29-2007   #1 (permalink)
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Yes it's true. I took last Thursday and Friday off work, and I worked on it all day Thursday though Sunday.

A week and a half ago I started with this:




I decided to build the entire motor outside of the frame. Here you can see the cases are back together, barrels/pistons on (actually I didn't even remove them!), and clutch cover installed.




The head is reinstalled:



Look Ma, new cam chain!
:-D



I decided to nix the backlash retainer gears, as Bill Gately and his crew have. Removing them is supposed to free up a couple horsepower, and make the engine a little noisier. Cool.



You can see here where the backlash gear used to go:



Getting the motor in the frame:

I had to work on the bike by myself, so I wanted to be able to get the motor back in the frame without actually having to lift the motor, so I lowered the bike as much as I could by sliding the fork tubes up in the clamps. I first got the engine mounting bolt through the head, then used it as a fulcrum to lift the rear of the engine into place with my right hand, and using my left hand I slid the rear mounting bolt into place.



Here is the slammed suspension, and rear engine mount lined up. It was actually very easy to get the motor in, once I had all the mounts in the correct place. There are 2 plates at the rear just beneath the swingarm that gave me trouble. Once I had them installed correctly, all was well.





Next, I had to install the bottom frame rails. I couldn't use my craftsman jack because it would be in the way, and I couldn't leave the bike standing up on its own because the kickstand is on the lower frame rails. Mr Tiedown meet Mr Ceiling Joist. This was actually a really good way to work on the bike.




Here are the cams installed sans backlash gears:



Another pic of the bike (and the messy garage, sorry Ridge)



I had problems getting the starter to work, I'm not sure why.

I took it apart and reassembled it probably 10 times today, it finally worked and I stuck it back in the bike and it fired right up, first try, like nothing had ever happened.

It took me about 4 hours to rebuild the motor, probably another 2 to get it in the frame, and another 4-6 hours to get everything lined up/torqued, and all the other goodies like carbs, exhaust, swingarms, etc installed, then another 6 days to get the electric's working. Yay sucky electronic problems. I could have rebuilt the motor 5 times in the time it took me to get the starter working.

These are all the pics I have, but I'll take some more tomorrow. I haven't actually ridden the bike yet, only revved it in the garage. It was late, and loud! The Bub'd, 904cc'd, big valved, ported+polished bonnie is a mean machine.

More to follow. Soon. :-D

ha, HA! I'm happy as hell! This is better than the first day I got it. Would I do it again? You bet your ass I would! :-D

[ This message was edited by: sweatmachine on 2007-05-28 23:57 ]
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Old 05-29-2007   #2 (permalink)
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I think we're all a little anxious to prematurely wish you congratulations. Nevertheless, I'm glad to see progress, and we'll all be watching this thread closely. Best of luck. :-D
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Old 05-29-2007   #3 (permalink)
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Jeff, glad to hear you got your bonnie running..
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Old 05-29-2007   #4 (permalink)
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Good deal man .Glad it all worked out .
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Old 05-29-2007   #5 (permalink)
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So Sweat; How long do you think it would take you to do it all over again? :-D
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Old 05-29-2007   #6 (permalink)
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COOL :chug: :upthumb:
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Old 05-29-2007   #7 (permalink)
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Quote:
On 2007-05-29 04:11, Bryan wrote:
So Sweat; How long do you think it would take you to do it all over again? :-D
I could probably do a 904 install in under 6 hours if all the parts were there.

Complete teardown/rebuild in around 10...

Electronic troubleshooting? Shoot me.

[ This message was edited by: sweatmachine on 2007-05-29 07:00 ]
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Old 05-29-2007   #8 (permalink)
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I'm sure we'll all be waiting to hear about the first ride....

Great Job...If I was a little closer I would have given you a hand with the electrics...
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Old 05-29-2007   #9 (permalink)
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Patience, perseverance, and a little redneck engineering with the tie downs. Looks like you are the complete package, my man. Let us know what the butt dyno says.
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Old 05-29-2007   #10 (permalink)
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Awsome :upthumb:
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