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jetjunky101

  • Karma: +5/-0
berk rebuild/refresh
« on: November 05, 2011, 10:06:54 AM »
well i want to refresh my berk 12jg this winter. i dont really have any problems with it other than some knocking some times and think some seals could be leaking...so i dont need a race or high performance pump ...but sence i'm gona refresh it ,i would like 2 do some added things 2 it while its apart. any info would be grate... and if anyone knows someone in norcal that rebuilds pumps that would be awsome...and i've herd alot of prices on the cost but...really , what would it cost 2 do a basic freshin up on a berk.... and i was thinkin of doing it myself.. but what are the pros and cons?  i know the tools are like 300 or 400 bucks 2 do the job right

thanks in advance


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More2LifeThanMPG

  • Karma: +13/-0
berk rebuild/refresh
« Reply #1 on: November 05, 2011, 12:00:56 PM »
Subscribed, been thinking about this too. More for just price of mind.


Sent while on the run, or sitting at work bored
  • Boat #1: 1989 Howard 21' River Cruiser
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5akman

  • Karma: +0/-0
Re: berk rebuild/refresh
« Reply #2 on: November 05, 2011, 09:49:53 PM »
About 20yrs ago I rebuilt 2 Berks in my garage with no prior experience working on them and without purchasing expensive tooling. I now see where there are "how to" rebuild videos on Youtube and at least one of the online aftermarket jet boat parts store has some rebuild videos. I'd try it first before I'd pay to have it done! Good luck!
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River Roy

  • Karma: +0/-0
Re: berk rebuild/refresh
« Reply #3 on: November 05, 2011, 10:44:27 PM »
i think JBP is close to you...


Jet Boat Performance
Phone:
   
(805) 466-4719
Fax:
   (805) 462-0956
Address:
   6937 Sycamore Road #B
Atascadero, CA 93422
Email:
   
jetboatinfo@sbcglobal.net

 
jetboatperformance.com

I 100% agree with this, Tom will help you out no matter what your doing, Do it yourself and buy a rebuild kit and parts from them or have them do the complete rebuild and they will help you and answer ANY questions you may have, GREAT people to deal with, I live in Pennsylvania and Tom and his family has helped me and treated me like a next door neighbor long time friend of the family to the point that I now consider him a family friend and I never even seen or met him. I won't even think about dealing with anyone else about jet boat parts before calling Tom.
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #4 on: November 06, 2011, 09:08:36 AM »
yha yha .thanks guys...i got 2 get over a bad expierence from a few years ago when i first got my boat.. :-\
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #5 on: November 08, 2011, 09:21:16 PM »
well...im gona give it a shot ...rebuildng it myself....ill see how it gose... :sly:
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Brad @ SCJB

  • Karma: +255/-0
Re: berk rebuild/refresh
« Reply #6 on: November 09, 2011, 08:15:24 AM »
I dont think I have expressed this enough guys, but this is a tech site - not a shop directory.

No offense to Tom/JBP....or any shop anyone here wants to plug....but when people come here asking questions "how do I....?" ....telling them to go to a shop right off the bat does nothing for the site. This site is here to help people with their DYI stuff....not just tell them to call a shop. If that was the case I would just have a Jet Boat shop directory on the front page and thats it.

  • Boat #1: 1978 Liberty
  • Boat #2: 1982 Eliminator Sprint
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HaulsBalls

  • Karma: +1/-0
Re: berk rebuild/refresh
« Reply #7 on: November 09, 2011, 01:26:23 PM »
The rebuild is not that bad, I followed the Berk manual on their web site and it worled great.  Just ask if you have any questions, the one thing you will need is the deep socket for the impellor nut.  I made one out of a socket that I cut in half and welded a piece of tube between the two for the depth I needed. 

I have never worked with Tom at JBP but he sounds very helpfull if you need him.  I did though purchase my rebuild kit from CP Performance, the kit came with everything plus an impellor.  CP Perf. is pretty much Berkeley I would imagine you're getting good parts and not the cheap stuff, make sure not to get the cheap stuff!  This whole job cost about $500 with making the tools and all, it's worth a shot to try.  Again, follow the specs in the Berk manual and ask if you are not sure.
  • Boat #1: '75 Hallett Bubbledeck w/460 Ford
  • Boat #2: '73 Hallett 21' Cruiser
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #8 on: November 10, 2011, 10:28:31 PM »
thanks very much.. and i did not mean an any way that Tom or JBP do bad work !!! was just sayin i had a ruff time with tryin 2 find someone that could help me with my boat...and yes i know CP perf. very well ...and i have already got the rebuild kit from them...sooo..gona start the rebuild as soon as i can so im ready 4 next season....

SCJB.......is the S***

thanks.....really
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jet boat performance

  • Karma: +25/-0
Re: berk rebuild/refresh
« Reply #9 on: November 11, 2011, 12:44:39 PM »
well i want to refresh my berk 12jg this winter. i dont really have any problems with it other than some knocking some times and think some seals could be leaking...so i dont need a race or high performance pump ...but sence i'm gona refresh it ,i would like 2 do some added things 2 it while its apart. any info would be grate... and if anyone knows someone in norcal that rebuilds pumps that would be awsome...and i've herd alot of prices on the cost but...really , what would it cost 2 do a basic freshin up on a berk.... and i was thinkin of doing it myself.. but what are the pros and cons?  i know the tools are like 300 or 400 bucks 2 do the job right

thanks in advance

 In addition to doing R&R and Bench overhauls we regulary "coach"  folks thru these jobs , If you have some basic mechanical skills and feel confortable attempting to do the work were here to help , we take tech calls 7 days a week , we also suggest you check out the jet drive overhaul tutorial available on our website , This work is fundamentally simple there are a few tricks and "pitfalls" and lots of folks find sucess and enjoy douing the work themselves  Tom
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #10 on: November 11, 2011, 01:41:00 PM »
thanks tom ...i appreciate it...if i run into problems i will sure give you a call....

thanks agin
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Brad @ SCJB

  • Karma: +255/-0
Re: berk rebuild/refresh
« Reply #11 on: November 11, 2011, 01:42:47 PM »
In addition to doing R&R and Bench overhauls we regulary "coach"  folks thru these jobs , If you have some basic mechanical skills and feel confortable attempting to do the work were here to help , we take tech calls 7 days a week , we also suggest you check out the jet drive overhaul tutorial available on our website , This work is fundamentally simple there are a few tricks and "pitfalls" and lots of folks find sucess and enjoy douing the work themselves  Tom


really tom?....(shakes head) i give up.
  • Boat #1: 1978 Liberty
  • Boat #2: 1982 Eliminator Sprint
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #12 on: November 11, 2011, 01:49:57 PM »
LMAO...right on brad...i think i can find all the help i need from this awsome site ...wish i knew it was here 5 years ago  :banghead: but now i do ...and all the help i have got from all the members has been so helpful.... :thumbup:
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BIG JOHNSON

  • Karma: +1/-0
Re: berk rebuild/refresh
« Reply #13 on: November 11, 2011, 04:17:24 PM »

really tom?....(shakes head) i give up.

Does anyone else find this thread mildly humorous?

Anyway, hope the pump rebuild works out smoothly. Only part of the rebuild I could help you with is removal of the transom bezel and removing the pump from the boat. I used plastic wedges, sharp putty knives and whatever else I could. I'd rather put one in than take one out...

Edit: In fact, I bet rebuilding the pump once it's on the bench is easier than removal and replacement..


« Last Edit: November 11, 2011, 04:20:25 PM by BIG JOHNSON »
  • Boat #1: 1994 Ultra LX 21"
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #14 on: November 11, 2011, 07:47:27 PM »
good ...im gona do all the demo...so save me some $$$$ ..the bench work mabe another thing.?? so ill see...either way it will be worth it
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BIG JOHNSON

  • Karma: +1/-0
Re: berk rebuild/refresh
« Reply #15 on: November 12, 2011, 02:12:27 AM »
I think most rebuild places don't want to see any boats in their lot.
  • Boat #1: 1994 Ultra LX 21"
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #16 on: November 13, 2011, 09:08:55 AM »
here it gose  :thumbup:
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #17 on: November 13, 2011, 09:31:25 AM »
some more
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #18 on: November 13, 2011, 09:50:37 AM »
really ...? is all that silicone needed...i found the reason i was haveing some leaks...some ding dong b4 me cut the transom and the bowl seals 2 get them around the cabels  :screwy: guess thats why there was like 10 tubes of silicone used
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HaulsBalls

  • Karma: +1/-0
Re: berk rebuild/refresh
« Reply #19 on: November 13, 2011, 03:56:04 PM »
For the most part everything looks pretty good, I'm sure that impellor nut should come off fairly easy.  The only spots you should use silicone are around the transom cover and around the bowl where the transom cover slides over.  Looks like you should be able to turn this one around pretty quick, let's see more on the progress.

  • Boat #1: '75 Hallett Bubbledeck w/460 Ford
  • Boat #2: '73 Hallett 21' Cruiser
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jet boat performance

  • Karma: +25/-0
Re: berk rebuild/refresh
« Reply #20 on: November 13, 2011, 05:59:14 PM »
There should be little to no silicone neccesary if the correct seals, gaskets and packings etc are used and I'd Mic your pump sahft looks fairly well worn from the pics  Tom
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HaulsBalls

  • Karma: +1/-0
Re: berk rebuild/refresh
« Reply #21 on: November 13, 2011, 08:19:52 PM »
Tom- Do you guys run the gasket between the transon adaptor and the the transom? What's the trick to get it to seal properly?
  • Boat #1: '75 Hallett Bubbledeck w/460 Ford
  • Boat #2: '73 Hallett 21' Cruiser
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #22 on: November 13, 2011, 09:13:56 PM »
yha evrything looks better than i've seen....or what i thought it would look like  :sly: but i think it still needs some work  :thumbup: well i have a few months 2 get it back 2gether....i got a good start so ...im happy  8)
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #23 on: November 14, 2011, 10:49:52 AM »
worn bowl bearings
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jetjunky101

  • Karma: +5/-0
Re: berk rebuild/refresh
« Reply #24 on: November 18, 2011, 08:54:36 AM »
i've tryed all the redneck ways 2 get the impellor nut off still with no luck  :banghead: any ideas ? mabe have 2 break down and buy the $80 socket :-\
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