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PostPosted: Thu Jan 31, 2013 1:24 am 

Joined: Sat Dec 03, 2011 10:32 am
Posts: 600
Location: Jarrettsville, MD
In an effort to broaden my services, I am willing to offer free crankshaft rebuilding on a first come, first served basis. What I am looking for are any two stroke crankshafts other than S1,2,3; H1 and H2 triples.
The fundamentals in two stroke crankshaft rebuilding are basically the same. The “tooling” is the limiting factor. I have the means for producing the tooling; however I need some “Guinea pigs” to produce the jigs. I will require four things from the customer;
1. The crankshaft
2. A "junk" crankshaft with which to experiment
3. The parts for the rebuild, and
4. Time to manufacture the tooling.
I am willing to cover the labor and will not attempt anything beyond my capabilities. This will definitely help me to become more diverse in the services I provide as well as help the two stroke community by offering an additional resource. The only cost to the customer in addition to the parts being provided is the shipping. PM me with what you have if you are willing to “volunteer”. I think this is a good idea :? At least I hope so....

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Crankshaft Testimonials viewtopic.php?f=25&t=7593

"Let's keep your crankshaft great!"


Last edited by triple cranks on Sat Jun 01, 2013 9:37 am, edited 1 time in total.

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PostPosted: Thu Jan 31, 2013 3:16 am 

Joined: Sun Jun 12, 2011 1:49 am
Posts: 348
Location: Pacifica, CA
Charlie, U going to limit your self to 2 strokes? I need a GS1000 Zuki crank done. I will do single and twins, but more cylinders than that and I am in over my head. :(

Just curious,
Don

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PostPosted: Thu Jan 31, 2013 9:28 am 
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Joined: Wed Jun 08, 2011 10:03 pm
Posts: 2605
Location: Birthplace of Minnesota
I've got an RD400 crank that needs looking at.... :think:


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PostPosted: Thu Jan 31, 2013 9:42 am 
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Joined: Wed Jun 08, 2011 10:04 pm
Posts: 2223
Location: Just north of Toronto, Ontario
Hey Charlie, I have a G3SS crank if you want to get into singles? :)

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PostPosted: Thu Jan 31, 2013 10:57 am 

Joined: Sat Dec 03, 2011 10:32 am
Posts: 600
Location: Jarrettsville, MD
PMs sent to all of the above. Thanks!

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Crankshaft Testimonials viewtopic.php?f=25&t=7593

"Let's keep your crankshaft great!"


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PostPosted: Thu Jan 31, 2013 7:08 pm 

Joined: Wed Jun 22, 2011 7:46 pm
Posts: 1334
Location: Kingston, N.Y.
Fairly sure the GS crank is a one piece :think: , it was on my old GS750.

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1975 S3 project bike
1974 H1 project bike
1972 Yamaha R5
1974 Yamaha RD350


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PostPosted: Thu Jan 31, 2013 8:37 pm 

Joined: Sun Jun 12, 2011 1:49 am
Posts: 348
Location: Pacifica, CA
Jackman wrote:
Fairly sure the GS crank is a one piece :think: , it was on my old GS750.


Nope all rollers except the right main... and the big end pin is part of which ever cylinders flywheel so all you can replace is the rod and bearing. The thrust washers are n/a as are all the flywheels. I have a fairly good collection of cores to steel parts from. try to buy the ones with the best small ends. I have repaired the smallends by having o/s pins ground and then fitting them to the rods and pistons, with bonus of also tightening up the pin clearance in the pistons.

All old machinery takes a labor of love and money if U want to keep'em running.

We do what we have to do...

Don

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PostPosted: Thu Jan 31, 2013 9:56 pm 

Joined: Wed Jun 22, 2011 7:46 pm
Posts: 1334
Location: Kingston, N.Y.
Thats what I get for thinking :oops: , I had a 81 GS750 wiped a rod journal bought a new crank one rod and new babbit bearings I thought it was a one piece crank just like a Ford or Chevy , lonnnnng time ago foggy memory.....

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1975 S3 project bike
1974 H1 project bike
1972 Yamaha R5
1974 Yamaha RD350


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PostPosted: Thu Jan 31, 2013 10:03 pm 

Joined: Sun Jun 12, 2011 1:49 am
Posts: 348
Location: Pacifica, CA
We have a saying here in foggy Pacifica, Onward into the fog always forward never straight.


Don

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PostPosted: Thu Jan 31, 2013 10:11 pm 

Joined: Wed Jun 22, 2011 7:46 pm
Posts: 1334
Location: Kingston, N.Y.
I was out your way once on the Suzuki saw the fog it was kinda neat :thumbup:

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1975 S3 project bike
1974 H1 project bike
1972 Yamaha R5
1974 Yamaha RD350


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