6m6 to 61x jetting question

[motorider200]

I am putting a stock 61x topend on my stock 6m6 engine. I plan on boring the 6m6 cases and using the stock ground out exhaust and stock carb and intake. I know neither of those are ideal but I am on a budget. I was wondering if anyone had any advice on what jetting I will need to run?

 

[fast superjet chase]

run the same jetting just check your plugs and if lean richen the screws if needed

 

[FolsomShredder]

Im interested in doing the same thing, How much different will the power be seeing as it is a 6m6 case still?

 

[motorider200]

Thanks for the advice. Unless I find out otherwise I will just plan on doing that. Keeps it nice and simple that way.

As for the power increase with the 6m6 cases my take is it will be better than what I had and I was ok with the power the 650 made I am a newbie!! I am also re-foaming and installing footholds, building a new hood liner, adding solas prop, and switching to a shortened RN pole. It will be a whole new machine for me!!

 

[fast superjet chase]

my friend has done it and it runs sweet just as fast as my 843cc

 

[chips]

yea pretty nice improvement