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#483383 - 03/28/13 11:24 am Re: T150 common sense engine mods *** [Re: bon]  
Joined: Nov 2011
Posts: 257
Pre Unit Offline
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terra Australis
just found this on U Tube .

http://www.youtube.com/watch?v=tR7RuheaXl4

Cooel Exhaust . Sounds like all the pieces are there .

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#483469 - 03/28/13 10:37 pm Re: T150 common sense engine mods [Re: Pre Unit]  
Joined: Nov 2009
Posts: 571
bon Online content
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bon  Online Content
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Originally Posted By: Pre Unit
just found this on U Tube .

http://www.youtube.com/watch?v=tR7RuheaXl4

Cooel Exhaust . Sounds like all the pieces are there .


Yes i seen that vid pre unit and its just the sort of machine that i want to build, i asked the guy to come on here and tell us about it as its a real piece of motorcycle art.

#514182 - 11/10/13 9:55 am Re: T150 common sense engine mods [Re: bon]  
Joined: Nov 2011
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Pre Unit Offline
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terra Australis

#550226 - 06/26/14 7:13 pm Re: T150 common sense engine mods [Re: bon]  
Joined: May 2014
Posts: 22
OneEyedGiant Online content
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USA
Hey guys. Where does one buy the Bob Newby clutch converstion kit to include the primary cover? Any idea on how much these kits cost?


#550256 - 06/27/14 2:45 am Re: T150 common sense engine mods [Re: OneEyedGiant]  
Joined: Mar 2006
Posts: 3,465
L.A.B. Online content
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Norfolk, UK

#550266 - 06/27/14 7:29 am Re: T150 common sense engine mods [Re: L.A.B.]  
Joined: May 2014
Posts: 22
OneEyedGiant Online content
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USA
Thank LAB, I contacted Bob and he sells just the belt drive but not all the components needed for the entire Kit to include the Quaife 5 speed gearbox. Bob Newby said it's available possibly from P&M Cycles in the UK but I've not had an opportunity to call them yet. Thanks.

#550490 - 06/29/14 1:11 am Re: T150 common sense engine mods [Re: bon]  
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DMadigan Online content
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ca, us
The belt drive needs a drilled mainshaft for the clutch pushrod (actuated by a twin lifter in the gearbox cover). I am not sure but presume the Newby clutch fits on a standard mainshaft. You may be able to have the shaft drilled.

#664933 - 08/22/16 10:14 pm Re: T150 common sense engine mods [Re: bon]  
Joined: Sep 2001
Posts: 352
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Posts: 352
Great Southern Land
One thing I like to do is extend the oil return dowels from the head through the barrels. I usually use an inch/25mm of tube for this.
I then counter drill the barrels and head to account for this increase. But I also run a NH 1000cc kit and the head sits a little bit higher on the lip of the bores.

Doing this - in my opinion - means that there is less chance of the oilway being affected by piston vacuum and pressure. It also means that, if you are using a sealant, the chances of any sealant flowing into the oilway when you tension the head down is negated.

I am not saying everyone needs to do this, I just saw benefit in it and the room was there to do it.

#664988 - 08/23/16 11:08 am Re: T150 common sense engine mods [Re: bon]  
Joined: Apr 2005
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Adam M. Online content
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Adam M.  Online Content
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Mississauga, Ontario.
Really common sens engine mode I did was doweling the rocker boxes.
It'll keep rocker box gaskets in place.

#665007 - 08/23/16 2:54 pm Re: T150 common sense engine mods [Re: Adam M.]  
Joined: Nov 2009
Posts: 2,048
Peter R Online content
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Peter R  Online Content

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Posts: 2,048
Netherlands
Originally Posted By Adam M.
Really common sens engine mode I did was doweling the rocker boxes.
It'll keep rocker box gaskets in place.

Adam, can you please elaborate on how you did this ?
I have a persistent (small) oil leak from a rockerbox gasket.
Replacement of the gasket only cured the leak for a short while.


Last edited by Peter R; 08/23/16 2:56 pm.

Peter.
1974 Commando 850
1972 Trident T150T
1961 Goldie DBD34
1969 Benelli 250 sport special
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