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I am going to work with my mechanic buddy to dig into the engine rebuild for my 710 Pinz.

It had a deep water adventure while the motor was hot/running and it looks like it slipped a sleeve.

Any advice on where to start or go?

Try to resleeve?

Buy a new cylinder and piston?

Upgrade to a 2.7 kit?

There are no "sleeves". Most likely bent a rod, I suggest pulling the heads before pulling off the cylinders. Rods must be same weight class, improper rod match may eject from case at road speed(big hole in block) or cause vibration. Engine must be completely removed and case split to access rods. If you do not have a manual, get one as you will need it.
Also please put your location in your profile.

Step 1 teardown for inspection
Step 2 make parts list
Step 3 open wallet

P.S. plan on rebuilding the carbs , especially if it has been sitting long.

P.S. plan on rebuilding the carbs , especially if it has been sitting long.

+1 on that. Just had that done and it has transformed running and starting. Best valur for money work done in my time owning it. It feels like every time you turn the key the engine's just been HOPING you'd turn it so it can show off how easily it catches.

Tony

Step 4 send motor to Jim LaGuardia for reconditioning or 2.7 upgrade.

bonefish635 wrote: +1 on that. Just had that done and it has transformed running and starting. Best valur for money work done in my time owning it. It feels like every time you turn the key the engine's just been HOPING you'd turn it so it can show off how easily it catches.
Tony

What all constitutes a carb rebuild?

For parts, complete kits with float valves, accelerator pumps,throttle shaft seals (for those bases that use them)and base mounting gaskets.
I cannot tell you how many times over the years someone has said they had rebuilt carbs and I find worn out pump bores(requires new carb body), rotted pumps or old float valves in them.

Jim LaGuardia wrote:For parts, complete kits with float valves, accelerator pumps,throttle shaft seals (for those bases that use them)and base mounting gaskets.
I cannot tell you how many times over the years someone has said they had rebuilt carbs and I find worn out pump bores(requires new carb body), rotted pumps or old float valves in them.

Thanks Jim.

Does EI or SAV sell a complete rebuild kit?

don't forget to replace the end seals for the throttle plate shaft. They don't come in the kit ... sold separately, batteries not included

Both EI and SAV have carb rebuild kits available. I think what Jim L. meant was that in order to complete the kits you also need to order accelerator pumps and float valves which are sold separately. You may also need the throttle shaft seals as Winter Beater and Jim said.

I've never had much luck/skill at carb rebuilds so I send mine to Jim. They come back perfect every time Thanks Jim!

pcolette wrote:Both EI and SAV have carb rebuild kits available. I think what Jim L. meant was that in order to complete the kits you also need to order accelerator pumps and float valves which are sold separately. You may also need the throttle shaft seals as Winter Beater and Jim said.

I've never had much luck/skill at carb rebuilds so I send mine to Jim. They come back perfect every time Thanks Jim!

That is a good idea too....Thanks!

And there are two types of carbs: Those with the idle mixture screws that are "sunken" into the side of the throttle plate, and those that have "large" mixture screws that have a head that is outside the throttle plate. Be sure to order the correct carb kit.