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45mm bore
Posted: Sun Dec 25, 2011 11:36 pm
by Pierce ramsay
45mm bore, 24mm oko carb, v8 exhaust .... Carb jet suggestions?? Thanks for the much needed help getting me in the ball park would be great!
Re: 45mm bore
Posted: Mon Dec 26, 2011 2:30 am
by bakaracer
Pierce ramsay wrote:45mm bore, 24mm oko carb, v8 exhaust .... Carb jet suggestions?? Thanks for the much needed help getting me in the ball park would be great!
48 pilot 118 main
Re: 45mm bore
Posted: Mon Dec 26, 2011 8:34 am
by Pierce ramsay
Thanks!!! Haven't been out to change'em yet but as long as she runs I can tune her from there!
Re: 45mm bore
Posted: Mon Dec 26, 2011 9:12 am
by Pierce ramsay
Put a 48/120 in no 118 do have a 115 tho. It's about 50 degrees here running a brh8s plug. And I am only about 170feet above sea level. I know these conditions will Change the jetting. Couldent see to get her started with the 48/120 think I might try the 48/115 combo. Thanks
Re: 45mm bore
Posted: Mon Dec 26, 2011 5:31 pm
by Pierce ramsay
Also will the stock head fit well for compression or is a 51mm head better I don't have a 45mm is that a must or will it run with one of the two above?
Re: 45mm bore
Posted: Mon Dec 26, 2011 6:29 pm
by Mystic
it will run with the stock head as long as the piston doesnt touch it at TDC but I had mine milled to match and the squish done too
Re: 45mm bore
Posted: Mon Dec 26, 2011 7:07 pm
by Pierce ramsay
Mystic wrote:it will run with the stock head as long as the piston doesnt touch it at TDC but I had mine milled to match and the squish done too
Is this better than using a 51mm head?
Re: 45mm bore
Posted: Mon Dec 26, 2011 8:59 pm
by Mystic
yea i would think so
Re: 45mm bore
Posted: Mon Dec 26, 2011 9:57 pm
by Pierce ramsay
awesome, thanks for the info i will swap them tomorrow morning, altho she was running poorly with the 51mm head on but if she will run better with the stock head on im all for it! i have 2 stock head so i will put one on and take the other one to the machine shop. any other thoughts on jets still cant get her to start agian? have tryed 48/120 48/115 and 48/110. should i try a 45/115?
Re: 45mm bore
Posted: Mon Dec 26, 2011 10:00 pm
by Mystic
change the head then see if it starts
Re: 45mm bore
Posted: Mon Dec 26, 2011 10:12 pm
by Pierce ramsay
headed to my man cave right now to go try it

post afterward
Re: 45mm bore
Posted: Mon Dec 26, 2011 10:49 pm
by Mystic
before you start it make sure the piston doesnt hit the head, might have to add an extra headgasket for clearance not sure
Re: 45mm bore
Posted: Mon Dec 26, 2011 10:53 pm
by Pierce ramsay
just swapped and tested proud of my 35min head swap

..... not proud of my non working sexy beast (yes thats her name) so a 45mm bore and a stock 39mm head. jets at 45/110 and not starting, sounds a little on the rich side kinda boggy sounding when trying to start... any other suggestions, new head gastket with swap and new plug.
Re: 45mm bore
Posted: Mon Dec 26, 2011 10:54 pm
by Pierce ramsay
Mystic wrote:before you start it make sure the piston doesnt hit the head, might have to add an extra headgasket for clearance not sure
thank you! i double checked and it clears nicely so i continued....
Re: 45mm bore
Posted: Mon Dec 26, 2011 10:56 pm
by Mystic
drop the pilot down to the next smallest size with needle clip in the middle
-also check the compression
