650cc Kawasaki

[Steve.k]

Working on a 650cc kawi and putting in a 705 big bore kit. We are also doing head porting and going.5mm bigger valves. Hotcams offers bigger cams for this engine also just wondering what u think the gains in head flow equate to without cam swap?

[Truckedup]

Is this the 1980's air cooled 4 valve inline 4?

[Steve.k]

2010 4 valve liquid cooled single.

[Racer71]

You mean 636 then? That’s the common one anyway

[rebelyell]

You mean 636 then? That’s the common one anyway

Probably Kaw KLR650 actually 651cc single cylinder

[Steve.k]

You mean 636 then? That’s the common one anyway

Probably Kaw KLR650 actually 651cc single cylinder

Yes thats what it is. 650 single. Im putting in the 705 big bore.

[Racer71]

I see I’m used to the street bike stuff in the tq midgets and mini sprints.

[Steve.k]

Thanks Racer71. Im just putting this big bore and doing some port work. Like most 4cycle the gains I figured from porting and boring bigger would be limited. Just wondering if anyone had experience working with these.