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PostPosted: Wed Mar 17, 2010 9:48 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
Hello All


Hoser wanted me to rebuild cranks so I thought I would have a go at it

Started out with a lightly used punching die set I had laying around, going to turn it into a two stroke crankshaft rebuilding tool so I can rebuild 2 stroke crankshafts


Thanks For Looking

SpeedChaser


Attachments:
MVC-279X.JPG [116.53 KiB]
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File comment: after sawing
MVC-281X.JPG
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File comment: after milling flat
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File comment: pre assembly
MVC-284X.JPG
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File comment: look at with fl350 crank
MVC-285X.JPG
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MVC-286X.JPG [113.83 KiB]
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PostPosted: Wed Mar 17, 2010 9:48 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
next
I will be boring holes for removable bushing.

for the main bearing to do different size cranks.


Attachments:
File comment: setting up on mill
MVC-288X.JPG [114.51 KiB]
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File comment: drilling a 1.600 dia. hole
MVC-289X.JPG [91.41 KiB]
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MVC-291X.JPG [108.43 KiB]
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MVC-293X.JPG [89.71 KiB]
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File comment: run a 1-3/4 dia reamer thru
MVC-294X.JPG [113.7 KiB]
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File comment: all done reaming
MVC-295X.JPG [99.39 KiB]
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 Post subject:
PostPosted: Wed Mar 17, 2010 9:49 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
Added risers to add weight to the bottom shoe and add strength

next up risers for top shoe and mount for press
then start on bushing for locating the cranks


Attachments:
File comment: adding some risers
MVC-297X.JPG
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MVC-298X.JPG [96.3 KiB]
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File comment: using my old radial arm drill press
built just after ww2

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MVC-303X.JPG
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File comment: need to clean my bench what a mess
MVC-304X.JPG
MVC-304X.JPG [ 125.38 KiB | Viewed 3456 times ]
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 Post subject:
PostPosted: Wed Mar 17, 2010 9:49 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
all done on to bushings for the fl350

Thanks For Looking

SpeedChaser


Attachments:
File comment: building top risers and hydraulic mount block
MVC-305X.JPG
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MVC-311X.JPG [116.52 KiB]
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MVC-312X.JPG
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MVC-313X.JPG [111.85 KiB]
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File comment: all done on to bushings for the fl350
MVC-316X.JPG
MVC-316X.JPG [ 117.46 KiB | Viewed 3456 times ]
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 Post subject:
PostPosted: Wed Mar 17, 2010 10:42 am 
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Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
About time !

I know of 3-4 FL350 cranks that need rebuilt!

I have 2 Pilot cranks you can do!

I have one TRX250R crank you can do!

I have one 83 ATC250R crank you can do possibly a second one of the same year

I bet I know of 3-4 other Pilot cranks that need done!

When you get those all done I have a crank out of a 1979 440 ROTAX you can do its a twin cylinder a little more tricky requires a different jig.


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 Post subject:
PostPosted: Wed Mar 17, 2010 7:30 pm 
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Joined: Sun Apr 27, 2008 5:36 am
Posts: 1345
Location: Benson, NC
you are the man speed. I have some cranks as well. question though, are the crank parts for 350s still easy to get? theres an aftermarket kit on ebay now, but I don't know if its really necessary to replace the rod? I have some dead cranks laying around from various bikes I can send your way if you just want something to practice with.


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 Post subject:
PostPosted: Wed Mar 17, 2010 11:08 pm 
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Joined: Sun Jul 16, 2006 8:46 am
Posts: 5247
Location: Seguin, TX (near San Antonio)
Hoser send him mine for his first attempt!!!


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 Post subject:
PostPosted: Fri Mar 19, 2010 9:50 pm 
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Joined: Tue Dec 23, 2003 10:31 pm
Posts: 5545
Location: New Jersey
I have many 350 cranks Speed,2 Pilot cranks that need work.


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 Post subject:
PostPosted: Thu Mar 25, 2010 10:53 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
bump add new pic's

:-)


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 Post subject:
PostPosted: Thu Mar 25, 2010 11:16 am 
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Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
speedchaser wrote:
bump add new pic's

:-)


Getting closer

Have you pressed any cranks with it?


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 Post subject:
PostPosted: Thu Mar 25, 2010 11:20 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
hoser wrote:
speedchaser wrote:
bump add new pic's

:-)


Getting closer

Have you pressed any cranks with it?


not yet I have a fl350 crank sitting here with a ugly look on it face
that will be the first victim :-)

thanks Speed


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 Post subject:
PostPosted: Sun Mar 28, 2010 11:29 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
bump add more pic's


next up is bushing for different style cranks


thanks for looking
speed


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 Post subject:
PostPosted: Sun Mar 28, 2010 11:58 am 
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Joined: Thu Jun 16, 2005 7:19 pm
Posts: 2245
Location: Chandler, AZ
Speed I also have 2 Pilot cranks that need rebuilt.


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 Post subject:
PostPosted: Sun Mar 28, 2010 12:04 pm 
Online

Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
http://www.jktuning.co.uk/crankshaft.htm

http://www.rrracing.co.nz/crank/index.html

Start looking for a chunk of pipe so you can do my snowmobile crank heh

Image

https://www.youtube.com/watch?v=HxcWz4D7BmA

https://www.youtube.com/watch?v=zUFjrd2cKSY

https://www.youtube.com/watch?v=bTxYxkGjI6U

Rebuilding Crankshaft
Crankshaft rebuild


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 Post subject:
PostPosted: Sun Apr 11, 2010 2:23 pm 
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Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
Updates?

Guy needs a crank... http://www.pilotodyssey.com/PO/view ... crankshaft


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 Post subject:
PostPosted: Sun Apr 11, 2010 2:30 pm 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
yep waiting on rod kit for the fl350

should get this week


will up date soon
thanks speed

:-)


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 Post subject:
PostPosted: Sun Apr 11, 2010 2:40 pm 
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Joined: Sun Apr 27, 2008 5:36 am
Posts: 1345
Location: Benson, NC
speedchaser wrote:
yep waiting on rod kit for the fl350

should get this week


will up date soon
thanks speed

:-)


Where did you get the rod kit, and what was its cost ? The only ones I have seen are off of ebay.


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 Post subject:
PostPosted: Sun Apr 11, 2010 2:46 pm 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
Sunblock wrote:
speedchaser wrote:
yep waiting on rod kit for the fl350

should get this week


will up date soon
thanks speed

:-)


Where did you get the rod kit, and what was its cost ? The only ones I have seen are off of ebay.


http://cgi.ebay.com/ebaymotors/ws/eBayI ... 0489695591


http://pilotodysseyperformance.com/inde ... %20Rods%27

has them too

yes that is where I'm still looking for better prices too
thanks Speed


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 Post subject:
PostPosted: Sun Apr 11, 2010 4:00 pm 
Online

Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
speedchaser wrote:
Sunblock wrote:
speedchaser wrote:
yep waiting on rod kit for the fl350

should get this week


will up date soon
thanks speed

:-)


Where did you get the rod kit, and what was its cost ? The only ones I have seen are off of ebay.


http://cgi.ebay.com/ebaymotors/ws/eBayI ... 0489695591


http://pilotodysseyperformance.com/inde ... %20Rods%27

has them too

yes that is where I'm still looking for better prices too
thanks Speed


Feed back I am getting is PRO-X then Hot Rods but every one of the Hot Rods needs checked before installing guys are seeing about a 30% rejection rate right out of the box, then Vesrah brand.

Last I looked Vesrah was looking for dealers, might pay to check with PRO-X and see if they will make you a dealer?


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 Post subject:
PostPosted: Tue Apr 13, 2010 7:50 pm 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
came across a bench center today cheep $35 needs some modding thou
I will make it work

thanks for looking
Speed :-)


Attachments:
MVC-335X.JPG
MVC-335X.JPG [ 109.51 KiB | Viewed 3575 times ]
MVC-336X.JPG [108.17 KiB]
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MVC-337X.JPG [110.67 KiB]
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 Post subject:
PostPosted: Thu Apr 29, 2010 10:10 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
what you think on spec sheet any spot need to be there ?

thanks speed


Attachments:
crank shaft spec sheet.jpg
crank shaft spec sheet.jpg [ 376.02 KiB | Viewed 3452 times ]
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 Post subject:
PostPosted: Thu Apr 29, 2010 10:19 am 
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Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
speedchaser wrote:
what you think on spec sheet any spot need to be there ?

thanks speed


Looks like you have it covered, what about the rod?


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 Post subject:
PostPosted: Thu Apr 29, 2010 10:26 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
hoser wrote:
speedchaser wrote:
what you think on spec sheet any spot need to be there ?

thanks speed


Looks like you have it covered, what about the rod?


like what you thinking

dose it need to be specked out ?


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 Post subject:
PostPosted: Thu Apr 29, 2010 10:38 am 
Online

Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22133
Location: Chicago
speedchaser wrote:
hoser wrote:
speedchaser wrote:
what you think on spec sheet any spot need to be there ?

thanks speed


Looks like you have it covered, what about the rod?


like what you thinking

dose it need to be specked out ?


Yeah from what I have read the new rods should be checked I will find a diagram that will help and post.


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 Post subject: pressing crank apart
PostPosted: Thu Apr 29, 2010 12:01 pm 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1026
Location: hole above ground
I press this bugger apart
not bad to do I have pressed a lot harder thing

Speed


Attachments:
MVC-347X.JPG [65.12 KiB]
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MVC-348X.JPG
MVC-348X.JPG [ 71.42 KiB | Viewed 3528 times ]
MVC-351X.JPG
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MVC-352X.JPG [83.48 KiB]
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MVC-354X.JPG
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File comment: each shinny line is a deep grove
MVC-360X.JPG
MVC-360X.JPG [ 67.78 KiB | Viewed 3527 times ]
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