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Jet Pump Bearings / seals
- Thread starter SabrToothSqrl
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CReynoldsMIZ
Well-Known Member
Yes. Exactly, thanks Lou, and sorry if I offended you imoomba. But i noticed it was your first post and it kinda irked me, this forum is for helping people work through their problems, not making deals like craigslist. I think your best bet will to just buy it from Dr. Honda, (and if you must sell it on ebay or something and recoup your money, but you will likely want to keep it)
Dr Honda
Well-Known Member
I don't care if guys sell tools. But honestly... if I was the person who bought the tools for $60... I wouldn't sell them for $30. I would sell them for $50. (making it a $10 rental) If you sell them for $30... then when the next guys sells them... they will either make a profit, (selling for more) or have them "Free". (selling for the same price)
I have a bunch of tools that have only been used once. But, as Lou said... if you are into seadoo's... you are liable to need them more than once. Besides... they are already less than half price compared to the OEM tools. And finally... if you don't want to buy them... it's possible to just use a punch, socket, and a hammer. (The tools just make it easier)
I have a bunch of tools that have only been used once. But, as Lou said... if you are into seadoo's... you are liable to need them more than once. Besides... they are already less than half price compared to the OEM tools. And finally... if you don't want to buy them... it's possible to just use a punch, socket, and a hammer. (The tools just make it easier)
I feel the need to explain my situation which should make clear why I asked the question in the first place.
I have two kids that have always wanted a PWC and refuse to let me forget the fact. My household income does not allow us to have such items. My kids have a friend whose father is an orthodontist and they have these toys available to them due to the great amount of education and work that he has done. They had this 1997 GTX that had a huge hole ripped in the hull, it sunk and blew the MPEM. He was generous enought to give my family the PWC. I found a used MPEM for $150, fiberglassed the hole, pulled cleaned and restored ALL the electrical connections. The pump needs to be rebuilt in a bad way and as I said I don't have the funds but obviously am more than willing to put the time into it for my kids. Like any father would do. That is why I asked if someone had the bearing replacement tools that maybe no longer needed them for what ever the reason was. I am in no way trying to scam someone I just thought and I'll quote "this forum is for helping people work through their problems". Thanks for the warm welcome and take care.
I have two kids that have always wanted a PWC and refuse to let me forget the fact. My household income does not allow us to have such items. My kids have a friend whose father is an orthodontist and they have these toys available to them due to the great amount of education and work that he has done. They had this 1997 GTX that had a huge hole ripped in the hull, it sunk and blew the MPEM. He was generous enought to give my family the PWC. I found a used MPEM for $150, fiberglassed the hole, pulled cleaned and restored ALL the electrical connections. The pump needs to be rebuilt in a bad way and as I said I don't have the funds but obviously am more than willing to put the time into it for my kids. Like any father would do. That is why I asked if someone had the bearing replacement tools that maybe no longer needed them for what ever the reason was. I am in no way trying to scam someone I just thought and I'll quote "this forum is for helping people work through their problems". Thanks for the warm welcome and take care.
Strizzo
Well-Known Member
1moomba - you don't have to have the tools in order to do the job correctly, you might have what you need already if you have a micrometer. if you look in the manual, it will give specs for the depth from the flange for both bearings. this is important to ensure that both bearing get proper lubrication. if you press the bearings in with a punch, deadblow and socket, as long as you're careful you can still get it set within spec. OR, you could take that 30 bucks, the bearings and seal to a shop that has a press and ask them to do it to the spec, or even a seadoo shop or someone in WI that has the tool that would be willing to do it for you for 30 bucks. Dr. Honda's definitely make the job easy, but they are not required to do the job.
Thank you for the info. I was thinking along the same line as what you described. I'm sure I can get it the old manual way just want to make sure I get it perfect. I just don't want people thinking I'm here soliciting tools just to get a good deal. Would have been nice if they put in bearing stops with lubrication journals!
rjcress
Active Member
Thought I'd paste in the instructions that Tony sent me, and add my story to the thread. 
Directions:
1) Use the long tool, and put it thought both bearings, and seal, from the rear of the pump. (the side from the cone)
Then... just push it all out the front.
2) Use the short tool, with the side with the step to install both bearings. (one from the rear, and one from the front) Put the bearing on the tool with the stamped side facing out, when installed in the pump. (so put the numbers toward the tool)
The tool is deigned to put the bearings in at the proper depth.
3) Use the side of the short tool with the recess in it, to install the seal. (it's the side that has the extra ring) The recess will keep the rubber lip safe. PUT SOME GREASE ON THE RUBBER SEAL !!! that will keep you from accidentally nicking/damaging the seal. You can put the seal into the pump dry... but a little sealant will assure that it's sealed. I use a little black RTV just lightly wiped into the pump housing.
It's done. Easy.
When you put the pump shaft back in... it's possible to pinch the thrust washer in the back. SO... if you tighten the impeller... and it doesn't turn free... loosen it a little... and make sure everything is straight."
My story:
I just rebuilt my first jet pump and the tools from DrHonda were a Huge help.
I was able to drive the first bearing loose with a socket, extension, and rubber mallet... but couldn't keep the first set of bearings aligned inside the pump housing so I could drive out the 2nd bearing and seal. I don't have a press, but I ordered the tools thinking maybe I could use them with my mallet. Turns out the mallet bounces too much, and my dead blow hammer is on my big boat at the lake 2 hours away. I thought that my E150 conversion van would be heavy enough, so I put the pump on my floor jack under the van, and jacked until the bearing removal tool was touching the van's frame... I figured that as I jacked this would be approximate a press.
Didn't work.
It actually lifted the front of the van off of the ground, but the bearings didn't budge. After scouring Craigslist unsuccessfully and almost giving up and heading to HF for a press, I found a friend with a press and he was able to press out the bearings pretty quickly. I admit to being worried when he had to pump the press a bit to get the bearings and seal loose. They made a pop sound when they broke loose and I was nervous that something broke... but in retrospect, the metal part that the bearings and seal were in was supported on the press. So, the only thing that could move was the bearings and seal. I had frozen the new bearings, so they went in easily with the installation tool, and to just the right depths. The seal went in nicely too.
My friend commented that he has been using the press his whole life (3rd generation family business, a towing and recovery shop), but never had the pleasure of using such a nice tool that was custom built for the job.:drool5:
I really HATE to spend money on job specific tools that I'll likely only use once, but this tool set from DrHonda was well worth it, compared to the obscenely priced tools from SeaDoo.
And Tony shipped it the evening that I purchased it and got to me quickly.
Oh, and even with Tony mentioning not to pinch the thrust washer when i put it back together, I somehow managed to on the first try.
Directions:
1) Use the long tool, and put it thought both bearings, and seal, from the rear of the pump. (the side from the cone)
Then... just push it all out the front.
2) Use the short tool, with the side with the step to install both bearings. (one from the rear, and one from the front) Put the bearing on the tool with the stamped side facing out, when installed in the pump. (so put the numbers toward the tool)
The tool is deigned to put the bearings in at the proper depth.
3) Use the side of the short tool with the recess in it, to install the seal. (it's the side that has the extra ring) The recess will keep the rubber lip safe. PUT SOME GREASE ON THE RUBBER SEAL !!! that will keep you from accidentally nicking/damaging the seal. You can put the seal into the pump dry... but a little sealant will assure that it's sealed. I use a little black RTV just lightly wiped into the pump housing.
It's done. Easy.
When you put the pump shaft back in... it's possible to pinch the thrust washer in the back. SO... if you tighten the impeller... and it doesn't turn free... loosen it a little... and make sure everything is straight."
My story:
I just rebuilt my first jet pump and the tools from DrHonda were a Huge help.
I was able to drive the first bearing loose with a socket, extension, and rubber mallet... but couldn't keep the first set of bearings aligned inside the pump housing so I could drive out the 2nd bearing and seal. I don't have a press, but I ordered the tools thinking maybe I could use them with my mallet. Turns out the mallet bounces too much, and my dead blow hammer is on my big boat at the lake 2 hours away. I thought that my E150 conversion van would be heavy enough, so I put the pump on my floor jack under the van, and jacked until the bearing removal tool was touching the van's frame... I figured that as I jacked this would be approximate a press.
Didn't work.
It actually lifted the front of the van off of the ground, but the bearings didn't budge. After scouring Craigslist unsuccessfully and almost giving up and heading to HF for a press, I found a friend with a press and he was able to press out the bearings pretty quickly. I admit to being worried when he had to pump the press a bit to get the bearings and seal loose. They made a pop sound when they broke loose and I was nervous that something broke... but in retrospect, the metal part that the bearings and seal were in was supported on the press. So, the only thing that could move was the bearings and seal. I had frozen the new bearings, so they went in easily with the installation tool, and to just the right depths. The seal went in nicely too.
My friend commented that he has been using the press his whole life (3rd generation family business, a towing and recovery shop), but never had the pleasure of using such a nice tool that was custom built for the job.:drool5:
I really HATE to spend money on job specific tools that I'll likely only use once, but this tool set from DrHonda was well worth it, compared to the obscenely priced tools from SeaDoo.
And Tony shipped it the evening that I purchased it and got to me quickly.
Oh, and even with Tony mentioning not to pinch the thrust washer when i put it back together, I somehow managed to on the first try.
Last edited by a moderator:
Dr Honda
Well-Known Member
Oh, and even with Tony mentioning not to pinch the thrust washer when i put it back together, I somehow managed to on the first try.
Everyone does. It's not a big deal.
Thanks for the good feedback on the tools. :cheers:
get_real
Active Member
Just got my tool yesterday. :thumbsup: Very impressive packaging, I almost didn't want to open it up! The tool is so nice I'm thinking of making a felt-lined wood box just to keep it prestine! Either that or I'll keep in on the mantel as a sculpture!
Got to decide whether to buy the 12-ton press at HF which is now $129 on sale, or use the base hobby shop.
Thanks Tony!
rjcress
Active Member
I vote for the Hobby Shop, as you'll get to show of the tool there. With the HF press it will be just you in the garage and no one else will get to share the experience. :thumbsup:
get_real
Active Member
Good idea, that tool would stand out for sure! I've always wanted a press though, only problem is my garage is so full of crap there's no place to put it!
And can't agree with Robj, after buying the new tool and spending bucks on the bearings, beating them in & out with a hammer dosen't make sense. Will definelty use a press!
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Strizzo
Well-Known Member
yep. i drove the old parts out with Dr. Honda's tool and a 16oz claw hammer, i put the new parts in with an orange dead blow hammer from harbor freight. the FSM says you can't use a hammer, but i know i'm not the first to use a dead blow and i haven't had any negatives from it. only thing is its kinda hard to tell when the tool bottoms out in the pump.
get_real
Active Member
I realize you can knock them in & out, but bearings are sensitive, it would be easy to damage them or shorten their life. Just don't see a need to take that chance.
I did mine the same way. Alot less chance of damaging the bearing using the shaft.
dustindu4
Active Member
I used Dr. Honda's tools to change the bearings on my pump. No press and it literally took a good whack with a giant hammer (with a piece of 2x4 in between) to break the bearings free. Came out fine when it was loose.
I put the bearings in the freezer for a few hours and they just had to be lightly tapped in place wih the tool. The seal was a pain and took more force, but all is good. I guess I'll find out the hard way if I damaged anything, haha. Everything feels right though. Now with everything greased, oiled, and sealed, the impeller spins a lot easier than before. I'm glad I changed everything out.
Thanks [MENTION=16022]Dr Honda[/MENTION] for the tool
I put the bearings in the freezer for a few hours and they just had to be lightly tapped in place wih the tool. The seal was a pain and took more force, but all is good. I guess I'll find out the hard way if I damaged anything, haha. Everything feels right though. Now with everything greased, oiled, and sealed, the impeller spins a lot easier than before. I'm glad I changed everything out.
Thanks [MENTION=16022]Dr Honda[/MENTION] for the tool
Last edited by a moderator:
get_real
Active Member
Took my pump to the hobby shop yesterday and used their press to install the bearings and wear ring. It was about a 20 ton press so they went in easily. Doc's aluminum tool worked great. I used one side of the small tool for both bearings, and the other side for the seal. Hope that was correct, at least that's how the factory tool is used per the manual. Didn't use any locktite on the new seal becuase it had some type of coating on it. I'm hoping that coating does the same thing as the locktite.
Had a little trouble getting the 70 mn torque on the impeller since my vise is not bolted down, but did finally get my wrench to click. Did the pressure test on the cone and it held the 10 pounds for 10 minutes with no loss of pressure.
I did also notice in the manual it says "Never hammer the bearing into it's housing." While I'm sure it can and is done often since they are not that tight, would much rather do it the right way when possible. Hopefully the next time I do another one I'll have my own press.
The new wear ring looks awesome. Put some vasoline on it to help with installing the impeller and for the first start up.
Tonight will install the driveshaft & pump. Can't wait to try it out this weekend and see if all my cavitation issues are gone!
Had a little trouble getting the 70 mn torque on the impeller since my vise is not bolted down, but did finally get my wrench to click. Did the pressure test on the cone and it held the 10 pounds for 10 minutes with no loss of pressure.
I did also notice in the manual it says "Never hammer the bearing into it's housing." While I'm sure it can and is done often since they are not that tight, would much rather do it the right way when possible. Hopefully the next time I do another one I'll have my own press.
The new wear ring looks awesome. Put some vasoline on it to help with installing the impeller and for the first start up.
Tonight will install the driveshaft & pump. Can't wait to try it out this weekend and see if all my cavitation issues are gone!
RebuiltSeadooBaffles
Member
Are these tools still avail from Dr? I would like a set
rjcress
Active Member
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