Inboard Jets

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Last post by Jim « 03 May 2020, 10:11
Posted in Boat House
Replies: 1
by Jim » 21 Apr 2020, 09:17 » in Boat House

First post

If you are having any issues uploading or linking photos to your posts, send them to me and I will upload them and send you back the links to add to...

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I changed the photo location. I will upload them to the TinBoats dedicated server. They will not be sitting on just any 3rd party hosting solution....

1 Replies

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Last post by Jim
03 May 2020, 10:11
SPONSORS

Last post by Jim « 18 Jun 2008, 09:23
Posted in Watering Hole

by Jim » 18 Jun 2008, 09:23 » in Watering Hole

This is the running list of the current Sponsors. Help support TinBoats.net by supporting these guys first if you are shopping for similar products....

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Last post by Jim
18 Jun 2008, 09:23

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Stickies
I/B Jet Links

Last post by riverbud55 « 16 Jun 2015, 01:13
Replies: 1
by Ranchero50 » 31 May 2015, 12:06

First post

Post up your links to manufacturers, suppliers and good sources of info and I'll consolidate them.

Boat Manufacturers:

Engine Powerplants:

Last post

well for power you pretty much got it covered for tin boat power unless you go into V8s,,, for boats using the sportjet ,,, ,,, ,,,

for more...

1 Replies

4173 Views

Last post by riverbud55
16 Jun 2015, 01:13

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Yamaha 784cc into welded mod-v hull

Last post by CedarRiverScooter « 19 Jun 2020, 07:43
Replies: 101
by 86tuning » 19 Nov 2017, 17:52
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First post

Noob here, in the dreaming/preliminary stages of building a shallow river runner to access fly spots in southwestern BC. I've been lurking for a...

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Great story on getting it to feed alum wire.

I used my antique miller to weld alum through the cable & more wire went in the trash than into a weld....
101 Replies

27365 Views

Last post by CedarRiverScooter
19 Jun 2020, 07:43
Just picked up another jet sprint boat

Last post by JL8Jeff « 15 Mar 2019, 20:51
Replies: 18
by JL8Jeff » 22 Apr 2017, 22:37
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It's a 1993 Jetcraft and I got it without a motor or jet drive but I already have a ZZ3 motor being prepped in the garage and a Hamilton 772 jet...

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If you keep moving at speed, I've run through 3 of water and clipped a small rock with no damage. When you come off plane, it drops down and needs a...
18 Replies

8963 Views

Last post by JL8Jeff
15 Mar 2019, 20:51
Saw this for sale locally on FB

Last post by JL8Jeff « 14 Nov 2018, 18:44

by JL8Jeff » 14 Nov 2018, 18:44

If you're looking for a project that is already done this might not be a bad setup.

0 Replies

1408 Views

Last post by JL8Jeff
14 Nov 2018, 18:44
trolling motor on a jet jon

Last post by turbotodd « 30 Sep 2018, 19:40
Replies: 4
by duckman11 » 09 Nov 2017, 20:23

First post

Has anyone had an issue with their exhaust filling up with water while using the trolling motor on a jet jon?

The reason that I ask is.....one of my...

Last post

kawi ski's had a rubber flapper over the exhaust outlet just for this reason.

The water inlet hose (from the pump) should be routed up high, helps...

4 Replies

2879 Views

Last post by turbotodd
30 Sep 2018, 19:40
welp....time for a rebuild

Last post by turbotodd « 30 Sep 2018, 19:35
Replies: 13
by duckman11 » 17 Oct 2017, 01:28

First post

well looks like I have started my jet jon project with a dud engine.

I purchased 2 1995 Kawasaki 900zxi off craigslist for $400.
One of the skis...

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The main issues we saw with jet ski engines is water intrusion.

Most people think that if water gets into the engine, it scores the cylinders....

13 Replies

6691 Views

Last post by turbotodd
30 Sep 2018, 19:35
NEW JET JON-SOLD

Last post by Ranchero50 « 17 Mar 2018, 22:02
Replies: 8
by shaggist » 20 Sep 2016, 19:55

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SOLD I purchased a 1978 Starcraft Seafarer 16' V-bow aluminum boat with a inboard jet engine from a Seadoo, I think. How to I identify the make and...

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I'd keep it. With the power it has you'll be able to pop up on plane easily and then throttle down for the ride. Under powered you'll wallow and dig...

8 Replies

5299 Views

Last post by Ranchero50
17 Mar 2018, 22:02
Them Jet Jon's / Ski Swaps List

Last post by 86tuning « 13 Oct 2017, 21:04
Replies: 7
by Ranchero50 » 01 Jun 2015, 19:09

First post

I'll flesh out this list of jet jon conversions as I transfer them into the jet boat project forum. If I miss anyone, please post the link in a...

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Thanks for the links to the build threads. How is this not a sticky post?

So many excellent ideas to build off of.

Brian

7 Replies

4636 Views

Last post by 86tuning
13 Oct 2017, 21:04
Jet converion on a old Crestliner Jet Streak

Last post by Deezil « 11 Oct 2017, 15:36
Replies: 11
by cosmic12 » 11 Aug 2016, 06:55

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I recently picked up a 1958 Crestliner Jet Streak. 14' that was originally rater for 35hp. I am currently rigging a old 50hp Merc on it to see how it...

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thats the coolest boat Ive ever seen

11 Replies

5024 Views

Last post by Deezil
11 Oct 2017, 15:36
jet jon intake size question

Last post by CedarRiverScooter « 10 Oct 2017, 21:18
Replies: 5
by duckman11 » 09 Oct 2017, 21:13

First post

I'm really unsure how to word this question properly....but here it goes.

What happens when you make the pump intake bigger than what it is
stock ?...

Last post

Here is one, albeit kinda scuzzy

5 Replies

2154 Views

Last post by CedarRiverScooter
10 Oct 2017, 21:18
Spring Creek Video of the Jet Jon's

Last post by SC Designs « 27 Jul 2017, 13:56
Replies: 5
by SC Designs » 25 Jul 2017, 15:51

5 Replies

2058 Views

Last post by SC Designs
27 Jul 2017, 13:56
Short video

Last post by Crazyboat « 12 Apr 2017, 20:23
Replies: 4
by AllOutdoors » 06 Apr 2017, 17:37

First post

A short video my son (12) made of us running back to the main river.

River Pro
Hey check out this video I made with Quik:

Sent from my...

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Nice, brings back memories.

4 Replies

1843 Views

Last post by Crazyboat
12 Apr 2017, 20:23
inboard jet jon fuel tank dilemma

Last post by rotus623 « 30 Mar 2017, 22:53
Replies: 6
by brianb2247 » 29 Mar 2017, 18:11

First post

ive looked at other pwc tanks on ebay, ive looked at racing fuel cells , looked at misc other tanks ive found nothing its for a 12 foot long 40 at...

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Take a look at RDS designs. They use a fuel input elbow, a vent, a hole for the fuel sender (gas gauge) and then an elbow with the check valve that...

6 Replies

2689 Views

Last post by rotus623
30 Mar 2017, 22:53
Military jet boat

Last post by Crazyboat « 23 Oct 2016, 15:04
Replies: 3
by bobberboy » 24 Aug 2016, 08:07

First post

Here's a military jet boat for sale in my area. Powered by a 455 Olds ! Bet it gets up and goes.

Last post

Bet it sips fuel too. :LOL2:

3 Replies

2677 Views

Last post by Crazyboat
23 Oct 2016, 15:04
Looking for PWC's for a jet build?

Last post by bobberboy « 13 Oct 2016, 08:21

by bobberboy » 13 Oct 2016, 08:21

It's the end of the boating season here in the Great White North and people are unloading PWC's like crazy. Today I found one running unit w/trailer...

0 Replies

1299 Views

Last post by bobberboy
13 Oct 2016, 08:21
Capt1972's IB jet build

Last post by Capt1972 « 31 Jul 2016, 19:50
Replies: 24
by Capt1972 » 31 May 2015, 19:54
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And first on the board!

In the process of stockpiling supplies. Will update once I start cutting and welding.

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So I got let go from my job= no money to put into the boat
Started my own landscaping company = all extra time + all extra money going back into the...
24 Replies

9164 Views

Last post by Capt1972
31 Jul 2016, 19:50
Anyone ever see this jet powered fishing kayak?

Last post by fishmonger « 25 Apr 2016, 13:26
Replies: 1
by JL8Jeff » 25 Apr 2016, 10:10

1 Replies

1739 Views

Last post by fishmonger
25 Apr 2016, 13:26
90hp sportjet big enough for a 1652??

Last post by CedarRiverScooter « 01 Mar 2016, 22:13
Replies: 7
by gotmuddy » 28 Feb 2016, 22:59

First post

There is a sportjet powered boat on a local Craigslist pretty cheap(1600) , thinking it would be great in my weldcraft

Last post

I think there is a shaft coupler on the yammie pump, so any engine could be hooked up.

You might want to PM PSG1. He had a Tigershark & did not have...

7 Replies

3293 Views

Last post by CedarRiverScooter
01 Mar 2016, 22:13
craigslist find

Last post by fishbum « 16 Jan 2016, 12:24
Replies: 3
by amk » 20 Dec 2015, 22:49

First post

mr-1 package looks good.

Last post

They belong to Kevin Turner of River Pro
He got them a few years ago for some projects
I belive when Mercury was threating to stop building sport...

3 Replies

2590 Views

Last post by fishbum
16 Jan 2016, 12:24
Yamaha Jet pump all-stainless wear ring assembly

Last post by bellman « 14 Nov 2015, 14:27
Replies: 46
by PSG-1 » 14 May 2015, 20:42
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For those of you who are running yamaha PWC jet pumps in your boats, this may interest you.

If you've dealt with the problem of corrosion causing...

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I made my ride plate out 1/4 aluminum plate also. I used 1/4 plate because the cast stock ride plate is brittle. It's pretty common on standup skis...
46 Replies

11703 Views

Last post by bellman
14 Nov 2015, 14:27
ski parts for build.

Last post by CedarRiverScooter « 07 Nov 2015, 20:29

by CedarRiverScooter » 07 Nov 2015, 20:29

I'd jump on that engine if I was closer to Texas.

Someone is going to get a good deal!

0 Replies

1425 Views

Last post by CedarRiverScooter
07 Nov 2015, 20:29
1/2 inch strainer on a 3/8 inch line any problems?

Last post by amk « 02 Nov 2015, 09:00
Replies: 10
by amk » 30 Oct 2015, 16:39

First post

I looked around and all I could find were 1/2 inch strainers from jabsco. So what I did was just have a reducer to hook from the 3/8 to the half inch...

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Well that's the second time I've heard my head gasket might be leaking. Possibly could be from when I first over heated it on loss of all cooling....

10 Replies

3774 Views

Last post by amk
02 Nov 2015, 09:00
Thinking about stick steer

Last post by CedarRiverScooter « 21 Oct 2015, 20:33
Replies: 42
by amk » 21 Aug 2015, 19:35
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Anyone got a stick stear unit for sale or have recommendations on what I should do. I want to ditch the console. Plan to completely remove console...

Last post

Got to be easier to spot the shallows from that fly bridge.

25 gals. of gas in the middle must help it handle well too.

Looks great!
42 Replies

10457 Views

Last post by CedarRiverScooter
21 Oct 2015, 20:33
new 10 1/2 ft inboard jet boats

Last post by Texas Prowler « 20 Sep 2015, 23:23
Replies: 7
by montanaman » 20 Sep 2015, 19:10

First post

starting to put together a cpl of these 10 1/2' inboard jet boats. they will have 155hp turbo engines with 148mm jet pumps with stainless impellers...

Last post

Keep up the good work! This will sell like hot cakes...

7 Replies

2866 Views

Last post by Texas Prowler
20 Sep 2015, 23:23
Took a pretty hard hit.

Last post by PSG-1 « 08 Sep 2015, 21:35
Replies: 13
by AllOutdoors » 23 Jul 2015, 23:57

First post

Took a pretty hard hit on the Buffalo river today in Tn. It was low and didn't judge my line just right. I blame it on laughing family as we were...

Last post

Yes, there's a saying somewhere in jet boating that only those wishing for bad things to happen travel downstream. I haven't done any jet boating in...

13 Replies

3925 Views

Last post by PSG-1
08 Sep 2015, 21:35
What throttle control are you using?

Last post by PSG-1 « 03 Sep 2015, 13:53
Replies: 5
by CedarRiverScooter » 02 Sep 2015, 19:23

First post

I have a PWC finger throttle, it is making my hand sore (typical ride is about an hour).

I was wondering what others are using.

I would like a...

Last post

Those controls have been slightly upgraded since that photo, or 'pimped' if you will.... :mrgreen:

100_0325.JPG

All bronze. 8)

100_4236.jpeg...

5 Replies

2192 Views

Last post by PSG-1
03 Sep 2015, 13:53
after market temperature and flow guages on inboard jet

Last post by PSG-1 « 26 Aug 2015, 12:00
Replies: 6
by amk » 25 Aug 2015, 09:42

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I would like to hook up an engine temperature guage and either a pressure guage to the outlet side of my cooling line or a flow guage to the inlet...

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At 10,000 RPM (roughly 7,000 for non-reduction geared engines) I'm getting about 15 PSI, on 1/2 cooling hose, with a 155mm Yamaha pump.

6 Replies

2234 Views

Last post by PSG-1
26 Aug 2015, 12:00
anyone know how to quiet a two stroke.

Last post by PSG-1 « 05 Aug 2015, 18:01
Replies: 30
by amk » 26 Apr 2015, 09:50
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anyone got any tips on how to quiet the noise from these jet ski engines were putting in. My 760 is loud enough I now need to wear ear plugs if I'm...

Last post

Cedar River Scooter, if it was me, I would simply build a wider box that would fit over the existing box and bolt it in place with some type of...
30 Replies

9727 Views

Last post by PSG-1
05 Aug 2015, 18:01
Bad news...Piston cracked.

Last post by Ranchero50 « 25 May 2015, 22:10
Replies: 12
by bnt5 » 24 May 2015, 17:58

First post

Noticed the jetjon running a little rough and had a hard time getting any throttle response....hmmmm....Got home and did a compression test, rear...

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Before you spend any money on this thing pop over to PWCtoday and ask those guys on the Seadoo sub forum what they would do. The Seadoo oil injection...

12 Replies

5557 Views

Last post by Ranchero50
25 May 2015, 22:10
thoughts on stomp grates?

Last post by Ranchero50 « 06 May 2015, 14:52
Replies: 4
by Capt1972 » 02 May 2015, 16:49

First post

Do they clear weeds? Is it worth fabricating one for a jet-jon?

Proceed.

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When I suck up weeds they are wrapped around the back (or bottom) edge of the intake grate and I can pop them loose with my hand from behind the boat...

4 Replies

3329 Views

Last post by Ranchero50
06 May 2015, 14:52

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