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#1
Rave1
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- Members
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- 33 posts
Novice
- Water:cedar creek
- Year of DOO:1997
- Model of DOO:Challenger
- Engine in DOO:110hp Rotax (800)
Posted 15 May 2010 - 04:27 AM
My 97 challenger (single) compression is running at 130psi on both cylinder,when is the correct time to consider a top end rebuild.A know it all at work says its hard on the crank and should be repaired soon or risk a complete rebuild.Runs great as is,any thought.
#2
Kevin Leclair
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- SDSB Management
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- 5,389 posts
SeaDooSportBoats.com Founder
- Water:Allatoona Lake
- Year of DOO:2010
- Model of DOO:210 Wake
- Engine in DOO:Twin Rotax 4-TEC SCIC
Posted 21 May 2010 - 07:31 AM
I would say the correct time varies by boat. That is a great setup you got there!
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#3
Rave1
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- Members
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- 33 posts
Novice
- Water:cedar creek
- Year of DOO:1997
- Model of DOO:Challenger
- Engine in DOO:110hp Rotax (800)
Posted 23 May 2010 - 07:35 AM
Thanks for the reply Kevin, I`m always looking for others past experiences, history repeats itself.
#4
adventurer
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- Members
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- 11 posts
Novice
- Water:caribbean
- Year of DOO:1998
- Model of DOO:Challenger 1800
- Engine in DOO:Twin 110hp Rotax (800)
Posted 02 August 2010 - 08:56 PM
Hi!!
are all 4 cylinders the same compression?? 130psi is a low reading, my 787s are stock and have almost 160 on each and 30psi difference is a big one verify all 4 cylinders and if the compression is 130 I will suggest you refresh your top end with new pistons and a cylinder bore to next size.but that is only my opinion as refreshing your top ends is a little costly(close to 350.00 or more)for both engines without the boring costs.
by the way nice photo!!
Abdin
are all 4 cylinders the same compression?? 130psi is a low reading, my 787s are stock and have almost 160 on each and 30psi difference is a big one verify all 4 cylinders and if the compression is 130 I will suggest you refresh your top end with new pistons and a cylinder bore to next size.but that is only my opinion as refreshing your top ends is a little costly(close to 350.00 or more)for both engines without the boring costs.
by the way nice photo!!
Abdin
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