This is a discussion on Grizzly 700 Rebuild within the Grizzly Engine & Transmission forums, part of the Grizzly Forums category; Hi everyone,
I am in the process of rebuilding my 700 and was wandering on which way to go. I need a new crank, cylinder ...
I am in the process of rebuilding my 700 and was wandering on which way to go. I need a new crank, cylinder and piston for sure. I also need new valve stems. I was looking at the trinity 734 kit with their stage IV clutch sheave and stock crank and mud buster cam. is this a good way to go for a little more low end power and reliability? can someone help me out on a good build and or any advice on which way to go towards. should i go with a ported head or no? Thanks for all the help
Do you want more power then what you had? You are that far into it do you want to go all the way?
If it were me this is what I would do since you have to split the cases.
105.5 mm cylinder and piston running 11 or 12:1 (12:1 can be run safely on premium, I also use fireball coatings to further reduce risk of detonation)
Reverse gear upgrade
Port for 47mm throttle body
Cam (X4,X2, 5050, EHS are the only cams I would use for this build)
Kibble white springs
bored throttle body
Bigger injector like Blue denso
If you need more bottom end then put the rhino pinion final drive gears in as it will lower your gear ratio.
You will have a very strong running bike that is reliable. May want to upgrade your cooling system though depending on conditions you run. This motor is torquey, and fast. A wet clutch will hold it if tuned right.
Let us know how you plan to use the bike. Lots of options out there. Just if it were me I would not go back to stock if I had to split the cases.