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Chris Craft
 BoatUS Boat Groups/Manufacturer Forums>>Chris Craft
Subject Topic: Engine Problems Post ReplyPost New Topic
 
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chris48com
"Seaman Recruit"




Joined: December 23 2006
Posts: 3
Posted: January 03 2007 at 16:13 | IP Logged Quote chris48com
I am having a problem with my engine risers on my 1984 Chris.   I can’t get them to stop leaking, seems no matter how much we try. I was told by the boat yard they needed to be replaced.  He said it will be expensive to repair and to just replace them.  Anyone else have this problem?
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diveryates
"Lieutenant"




Joined: January 02 2007
Posts: 830
Posted: January 03 2007 at 17:01 | IP Logged Quote diveryates

 

The yard is right. Risers and Manafolds are considered "heavy' maintenance items and should be relpaced together. Over time, the manafold and riser mating surfaces always leak due to age, salt, rust, heat and vibration.

 2 to 4 years is the standard life expectancy, some shorter-some longer depending.... They take a real  beating under 'normal' use.

 Inspect for rust buildup around the head exhaust ports and manafold mating surfaces.

You may want to replace the raw water pump, for good measure, while everything is out and access is good.

Water intrusion is the #1 engine killer, usually coming from manafold/riser leaks.                          all the best...Roy   



__________________
Roy & Laurie, S.F. Bay Area
'83 280, hardtop, single 305
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chris48com
"Seaman Recruit"




Joined: December 23 2006
Posts: 3
Posted: January 08 2007 at 18:06 | IP Logged Quote chris48com

Thanks for the reply and advise.  I guess I'll bite the bullet and spend a few bucks.  Got to keep the old gal running without any major problems.  Thanks again.

 

Chris
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