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 Post subject: S2 motor rebuild
PostPosted: Tue Mar 24, 2015 11:41 am 

Joined: Wed Jun 15, 2011 12:14 pm
Posts: 108
Location: Central MN
I rebuilt my s2. It was stock and very loose 14,000 miles.
I put on s3 carbs and matched the air inlet/intake pipe manifolds to them.
Charlie did a great job on my crank!!!!! zero run out :clap:
Tom V. rebuilt my oil lines :D
I went from a 4 bearing to a 6 bearing crank. I drilled the extra oil holes.
So far I am running 20 pilots , 90 mains and stock needles it seems close but I will fine tune it when it warms up some more (still highs in the 30s-40s) :cry:
Here it is.
Image

Here is a short video
https://www.youtube.com/watch?v=CkVX5CIGRqA


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 Post subject: Re: S2 motor rebuild
PostPosted: Fri Mar 27, 2015 7:54 am 

Joined: Sat Oct 04, 2014 3:45 am
Posts: 796
Location: Cen Tex
Sounds very healthy! Have you tetorqued the heads yet?

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H2B..... H1E..... Z1B ..... RD350...... X6 Hustler..... TS250.... CB750 ..... CB550...... and a Bomber!!


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 Post subject: Re: S2 motor rebuild
PostPosted: Fri Mar 27, 2015 9:30 am 

Joined: Wed Jun 15, 2011 12:14 pm
Posts: 108
Location: Central MN
Quote:
Sounds very healthy! Have you tetorqued the heads yet?


Thanks !!
If you mean re-torque ? Yes I did after I shot the video, I re-torqued them.
Its going to be in the 60s next week so I hope to get take it out for a test ride.


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 Post subject: Re: S2 motor rebuild
PostPosted: Fri Mar 27, 2015 4:03 pm 

Joined: Wed Jun 22, 2011 7:46 pm
Posts: 1334
Location: Kingston, N.Y.
Nice :clap: and a 72 S2 high on my wants list :thumbup:

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


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 Post subject: Re: S2 motor rebuild
PostPosted: Fri Mar 27, 2015 4:22 pm 
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Joined: Wed Jun 08, 2011 10:08 pm
Posts: 1901
Location: Campbellville Ontario
Crisp!! Bringing it to RB's?


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 Post subject: Re: S2 motor rebuild
PostPosted: Fri Mar 27, 2015 4:49 pm 

Joined: Wed Jun 15, 2011 12:14 pm
Posts: 108
Location: Central MN
Zambia wrote:
Crisp!! Bringing it to RB's?


Yes, and if I take a bike with to mid-Ohio it will be the one I take.


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 Post subject: Re: S2 motor rebuild
PostPosted: Sat Mar 28, 2015 7:12 pm 

Joined: Tue Aug 13, 2013 10:22 am
Posts: 865
Location: Dayton, Ohio
Awesome....Love to see that at Mid-Ohio.....puppy sounds really crisp !

THX Phl :!:


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