KOR Port and head comparisons

[motoman159]

For my cylinder and head today, thought id do a little comparison! My first thoughts were great! (I bought this from Yamaha28 but it's never been ran)
STOCK

KOR

Heads, STOCK

KOR HEAD

Side by side

EXHAUST PORTS, stock

KOR

 

[blasterBruce]

looks SWEET compared to stock !!

 

[motoman159]

looks SWEET compared to stock !!

I hope it'll run like it looks!!

 

[blasterBruce]

It should , whats the bore size on it ?

 

[motoman159]

it should , whats the bore size on it ?

67.5. .

 

[79 bronco]

Looks FAST!!!!!!!!!!!!!!!!!

 

[blasterBruce]

Should do pretty good ! , what other mods are you using with it ?

 

[motoman159]

Looks FAST!!!!!!!!!!!!!!!!!

Lol I hope!!

 

[motoman159]

Should do pretty good ! , what other mods are you using with it ?

Weisco guts , 34 or 35 mill carb, fmf sst (untill I get my hands on a trinity) Uni filter, vf3 reeds And that's it till I find more

 

[blasterBruce]

Should rip pretty good , mine will be super simple haha

 

[Braaaptor]

Looks good! FYI, I'm 90% sure that "stock" cylinder in the first pic has already seen some light, clean up porting. If your KOR port job and head runs as well as mine, you won't be disappointed!

 

[motoman159]

Looks good! FYI, I'm 90% sure that "stock" cylinder in the first pic has already seen some light, clean up porting. If your KOR port job and head runs as well as mine, you won't be disappointed!

Oh I'm sure it has, but it was as close to "stock" I had in my parts pile. Lol