engine rebuild completed! - Chicagoland Sportbikes
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post #1 of 15 (permalink) Old 10-03-2009, 06:44 PM Thread Starter
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engine rebuild completed!

Finished my 1968 suzuki k11p engine today. Special thanks to the powder pro (Silver ghost) for powder coating the cylinder, head, and side covers. Piston and rings have been replaced, I tore all the internals out of the crank case, replaced some bearings and inspected the transmission parts, painted the crank case housings, soldered new wires to the stator coils, tested the coils, drilled out and retapped oil drain plug, carefully reassembled, and got it looking great again. Engine has good compression, carb supposedly has a fresh rebuild on it, all the oil passages have been blown out and I'm pretty confident it will run great. Still trying to decide if I'm gonna fire it up in the grass next week or if i'll just wait until spring and put it back in the frame before starting it.

BEFORE:


AFTER:



Shitty Pass Racing #513

Last edited by eE jeremy; 10-03-2009 at 09:25 PM.
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post #2 of 15 (permalink) Old 10-03-2009, 06:48 PM
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Autozone brake clean FTW! Man that stuffs makes me woozy

Good job, looks oh so nice and clean. I wish I had the tools and time to do something like that. There's not satisfaction like tearing something apart then putting it all back together better than it was when it was brand new.
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post #3 of 15 (permalink) Old 10-03-2009, 07:16 PM
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Sweet as sugar. I hope my 2smoke rebuild this winter looks half as good as yours.
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post #4 of 15 (permalink) Old 10-03-2009, 07:23 PM

 
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Very nice. I've got the '69 AC 50 that looks just like that engine.

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post #5 of 15 (permalink) Old 10-03-2009, 07:34 PM Thread Starter
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Yup, the bikes share a lot of components, a guy with an AC50 actually has bought a lot of parts from me for his rebuild. And from his measurements i think this motor will actually fit. Just something to think about haha...

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post #6 of 15 (permalink) Old 10-03-2009, 08:02 PM
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Nice and clean, good work!




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post #7 of 15 (permalink) Old 10-03-2009, 09:04 PM
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Looks good! Which engine did you end up using? The one from my turd or the other one?
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post #8 of 15 (permalink) Old 10-03-2009, 09:24 PM Thread Starter
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Quote:
Originally Posted by Ryan View Post
Looks good! Which engine did you end up using? The one from my turd or the other one?
the other one, the one i got on your turd had a hole in the case, the cylinder studs were oversized, and somebody tried removing the pressed on flywheel with a screw driver But I am using the carb from your bike.

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post #9 of 15 (permalink) Old 10-03-2009, 09:52 PM

 
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I'm going to force some insight on ya.

The line from the twostroke oil tank must be bled of air.

To insure oil I would run my first tank with a premix also.

Brake in should have heat cycles with full load short burst of power and after a few heat cycles you loosen the head and retorque.

Good fun these old bikes NO?

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and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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post #10 of 15 (permalink) Old 10-03-2009, 10:04 PM Thread Starter
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Thanks for the tips!

I've had a lot of fun so far, this is kind of my learner bike, What I really want to do is a small displacement honda 4 so i'm trying to learn as much as I can on this project (and hopefully end with a fun little bike for very little money).

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post #11 of 15 (permalink) Old 10-05-2009, 01:34 AM
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you use brake kleen to clean the kitchen counter, thats fawked up



looks great. post up more pics. I got 2 old school bikes that I have to do the same restoration too.
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post #12 of 15 (permalink) Old 10-05-2009, 09:02 AM Thread Starter
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Originally Posted by taledarkside View Post
you use brake kleen to clean the kitchen counter, thats fawked up
Actually it's carb cleaner and I used it to clean the carburator. Additionally, that's my dinning room table not my kitchen counter. Last, I also use it to kill spiders outside:
Spray spider with quick shot of carb cleaner, then use lighter and carb cleaner as a blow torch to ignite the spider. Let cook for a few minutes and you're done

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post #13 of 15 (permalink) Old 10-05-2009, 09:33 AM
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^^^^^
When doing that, be careful about spider BBQ on painted surfaces. It may leave a black soot mark that is a bitch to get off unless you use 409 and a scrub brush. Just sayin'
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post #14 of 15 (permalink) Old 10-05-2009, 09:48 AM Thread Starter
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Quote:
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^^^^^
When doing that, be careful about spider BBQ on painted surfaces. It may leave a black soot mark that is a bitch to get off unless you use 409 and a scrub brush. Just sayin'
I found it's best to have spider bbq's on packed dirt, the carb cleaner soaks into the dirt around the spider and gives off flamable fumes for around 5 minutes. This is a great way to keep your spider bbq buring for a very long time without the need to fuel the fire

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post #15 of 15 (permalink) Old 10-10-2009, 12:58 AM

 
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Looks really nice man, always fun to see my work back on the motor

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