riverrat88
New Member
Sorry to hear your dilemma. If its any consolation we had the same problem with 2002, with 40 hours on the clock. Two strokes SUCK! I's never buy another one.:rant:
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Fuel in lines but not in carbs??
- Thread starter L_C99
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I found the problem
um so new piston and rings in the front cylinder, I don't know if the ring broke off and caused the damage or there was something in the cylinder that caused the damage including breaking off the ring.
So now more questions:
I was talking to a friend who has rebuilt his snowmobile once or twice which has essentially the same motor in it and he was saying I should replace both pistons and rings. Do you guys think I should replace both pistons or just the damaged one and do rings on both? Thanks
um so new piston and rings in the front cylinder, I don't know if the ring broke off and caused the damage or there was something in the cylinder that caused the damage including breaking off the ring.
So now more questions:
I was talking to a friend who has rebuilt his snowmobile once or twice which has essentially the same motor in it and he was saying I should replace both pistons and rings. Do you guys think I should replace both pistons or just the damaged one and do rings on both? Thanks
chairman
New Member
It only has two pistons replace both so it is balanced or it will NEVER
run right IMHO..
A couple of years ago I bought a pair of bigger pistons for about $200.00
Then sent the piston and cylinder to a machine shop. They punched out
to each cylinders for $25.00.
The only other cost in my ski is main fuel filter and two carb kits for just over
another $100.00.
Don't forget the many many hours labor & research.
If you have your friend help it could cost less, have him look at the worst
cylinder and make sure it is not too bad ie can't be bored out.
Are you ready to spend money, walk away or sell parts?
How much do you like fixing and saving money?
If someone else is doing the work RUN as fast as you can from this project.
Good luck
run right IMHO..
A couple of years ago I bought a pair of bigger pistons for about $200.00
Then sent the piston and cylinder to a machine shop. They punched out
to each cylinders for $25.00.
The only other cost in my ski is main fuel filter and two carb kits for just over
another $100.00.
Don't forget the many many hours labor & research.
If you have your friend help it could cost less, have him look at the worst
cylinder and make sure it is not too bad ie can't be bored out.
Are you ready to spend money, walk away or sell parts?
How much do you like fixing and saving money?
If someone else is doing the work RUN as fast as you can from this project.
Good luck
I found these online:
http://cgi.ebay.com/ebaymotors/SEA-DOO-787-800-TOP-END-PISTON-SEADOO-JET-SKI-STD-/290437279784?cmd=ViewItem&pt=Personal_Watercraft_Parts&hash=item439f693028
Do you think they are too cheap to be good, or do you think they are a good buy? Also I would like to get some caged bearings anyone know where I can get some? thanks
http://cgi.ebay.com/ebaymotors/SEA-DOO-787-800-TOP-END-PISTON-SEADOO-JET-SKI-STD-/290437279784?cmd=ViewItem&pt=Personal_Watercraft_Parts&hash=item439f693028
Do you think they are too cheap to be good, or do you think they are a good buy? Also I would like to get some caged bearings anyone know where I can get some? thanks
This site contains eBay affiliate links for which Sea-Doo Forum may be compensated.
Just a Thought
Have you considered buying a crate engine?
I will admit that I have no experience rebuilding a Rotax, but I have rebuilt small automobile and motorcycle engines.
I have found what happens almost too frequently, when you do a top end rebuild, because you are putting extra stress on the lower end you will have problems there also.
I know its more money for a crate engine, but I could be money well spent. You will get a warranty.
I'm not being critical but I don't want to see you spend a lot of money and not be happy with the results.
Lou
Have you considered buying a crate engine?
I will admit that I have no experience rebuilding a Rotax, but I have rebuilt small automobile and motorcycle engines.
I have found what happens almost too frequently, when you do a top end rebuild, because you are putting extra stress on the lower end you will have problems there also.
I know its more money for a crate engine, but I could be money well spent. You will get a warranty.
I'm not being critical but I don't want to see you spend a lot of money and not be happy with the results.
Lou
Last edited by a moderator:
chairman
New Member
If you what to buy a new stand cylinder you can put in a stand piston.
The cylinder needs to be bored out to the size of the new pistion that you provide them.
Some of the other people on this forum know more about motors than me.
My guess is only replace pistons in pairs or you will do the job again.
Murphy's law is waiting for your short cuts.
"Pay me now or pay more later": banghead:
Don't forget to get gasket set.
The cylinder needs to be bored out to the size of the new pistion that you provide them.
Some of the other people on this forum know more about motors than me.
My guess is only replace pistons in pairs or you will do the job again.
Murphy's law is waiting for your short cuts.
"Pay me now or pay more later": banghead:
Don't forget to get gasket set.
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