seadoo challenger 1998 twin 75 rotex
 

Looking at a seadoo challenger 1998 twin 75 rotax, wondering what the
potential issues are.

Reason for this type of boat is;
1. Fits in my garage.
2. Has two motors - I'd like to use it on lake ontario (very very
large) so the prospect of having two separate motors is attractive
when it comes to getting home.

Apparently the hull is all fibreglass so I'm thinking the the main
issues would be the motors & drive system. Can anyone fill me in on
what to look for? I don't want to start throwing money in a hole.

Tried this once before, so will mention I'm not interested is those
the just want to slag jetboats out of some sense of moral
superiority...

seadoo challenger 1998 twin 75 rotex
 

On Sat, 21 Feb 2009 21:05:38 -0800 (PST), P
wrote:

Tried this once before, so will mention I'm not interested is those
the just want to slag jetboats out of some sense of moral
superiority...

Like any boat evaluation, it all comes down to how you want to use it
and what your expectations are. I think they are fine for bopping
around on relatively protected water for an hour or two. Having spent
a lot of time on Lake Ontario, I can tell you that there are many days
when even a 30 ft boat is too small for comfort if you are on the open
lake. Certainly there are better boats for fishing, better boats
for rough conditions, and better boats for spending a full day on the
water. The Rotax engines put out a lot of power for their size and
weight but they are not known for longevity.

seadoo challenger 1998 twin 75 rotex
 

On Sun, 22 Feb 2009 01:09:15 -0500, Wayne.B
wrote:

The Rotax engines put out a lot of power for their size and
weight but they are not known for longevity.

Rotax motors are known for drinking heavily. So are jet drives in
general. My uncle had a gasoline well, do you?[the well produced lots
of natural gas and some gasoline, pentane distills out at 98F.

Casady

seadoo challenger 1998 twin 75 rotex
 

"P" wrote in message
...
Looking at a seadoo challenger 1998 twin 75 rotax, wondering what the
potential issues are.

Reason for this type of boat is;
1. Fits in my garage.
2. Has two motors - I'd like to use it on lake ontario (very very
large) so the prospect of having two separate motors is attractive
when it comes to getting home.

Apparently the hull is all fibreglass so I'm thinking the the main
issues would be the motors & drive system. Can anyone fill me in on
what to look for? I don't want to start throwing money in a hole.

Tried this once before, so will mention I'm not interested is those
the just want to slag jetboats out of some sense of moral
superiority...

Nephew bought one a number of years back. Within the first year he needed a
$1500.00 engine repair.
Although he was able to get some kind of relief from the seller...I wouldn't
touch them.
I don't look at those things as a 'real boat'......

seadoo challenger 1998 twin 75 rotex
 

"P" wrote in message
...
Looking at a seadoo challenger 1998 twin 75 rotax, wondering what the
potential issues are.

Reason for this type of boat is;
1. Fits in my garage.
2. Has two motors - I'd like to use it on lake ontario (very very
large) so the prospect of having two separate motors is attractive
when it comes to getting home.

Apparently the hull is all fibreglass so I'm thinking the the main
issues would be the motors & drive system. Can anyone fill me in on
what to look for? I don't want to start throwing money in a hole.

Tried this once before, so will mention I'm not interested is those
the just want to slag jetboats out of some sense of moral
superiority...

No slagging jetboats here. I have an '06 Yamaha AR230HO, and love it.

Take a close look at the impellers, and the pump shaft. Just like a prop,
the impellers should have no nicks or bends, especially at the leading edge.
The pump shaft should be smooth as well. These things can easily ingest
rocks and gravel in shallow water, and the impellers are expensive to
replace. Don't ask me how I know. ;-)

Other than that, it's a boat like any other. Look at maintenance records,
check the hull throroughly for spider cracking, blisters, etc. Look for
excessive water in the bilge, and look for water where it shouldn't be.

I had a friend with the same boat, and he said it was an oversized
waverunner. Tons of fun... just small. He outgrew it, but bought another
(larger) jetboat since he loved that seadoo so much.

Good luck with the purchase!

--Mike

seadoo challenger 1998 twin 75 rotex
 

the well produced lots
of natural gas and some gasoline, pentane distills out at 98F.

I did not know that! Interesting.

The newer jetboats are much more fuel efficient than in the past. I'd still
like to gace a gasoline well though g.

--Mike

"Richard Casady" wrote in message
...
On Sun, 22 Feb 2009 01:09:15 -0500, Wayne.B
wrote:

The Rotax engines put out a lot of power for their size and
weight but they are not known for longevity.

Rotax motors are known for drinking heavily. So are jet drives in
general. My uncle had a gasoline well, do you?[the well produced lots
of natural gas and some gasoline, pentane distills out at 98F.

Casady

seadoo challenger 1998 twin 75 rotex
 

I don't know how "have" showed up as "gace," but it happened. Typo police...
have at it...

--Mike

"Mike" wrote in message
...
the well produced lots
of natural gas and some gasoline, pentane distills out at 98F.

I did not know that! Interesting.

The newer jetboats are much more fuel efficient than in the past. I'd
still like to gace a gasoline well though g.

--Mike

"Richard Casady" wrote in message
...
On Sun, 22 Feb 2009 01:09:15 -0500, Wayne.B
wrote:

The Rotax engines put out a lot of power for their size and
weight but they are not known for longevity.

Rotax motors are known for drinking heavily. So are jet drives in
general. My uncle had a gasoline well, do you?[the well produced lots
of natural gas and some gasoline, pentane distills out at 98F.

Casady

seadoo challenger 1998 twin 75 rotex
 

I have a source for natural gas, but it's unlikely to be usable in the
rotax's. Or anywere.

Thanks for the impeller & hull tips, any other idea's how I could tell
if there are any impending repairs?

We do want it for bopping around for an afternoon here & there and
we're 5 minutes away from Bluffers. Agree there is NO boat really that
makes you comfortable on lake ontario, in short the moment the wind
picks up I'm headed for shore. Would also have a radio, and probably a
hand held one to boot along with an inflatable.

It's at a dealer - might they be offended if I bring in my own
mechanic to take a look haha?

seadoo challenger 1998 twin 75 rotex
 

"P" wrote in message
...
I have a source for natural gas, but it's unlikely to be usable in the
rotax's. Or anywere.

Thanks for the impeller & hull tips, any other idea's how I could tell
if there are any impending repairs?

We do want it for bopping around for an afternoon here & there and
we're 5 minutes away from Bluffers. Agree there is NO boat really that
makes you comfortable on lake ontario, in short the moment the wind
picks up I'm headed for shore. Would also have a radio, and probably a
hand held one to boot along with an inflatable.

It's at a dealer - might they be offended if I bring in my own
mechanic to take a look haha?

By all means, bring your own mechanic. If the dealer objects, then move on
and look for a boat elsewhere. Insist on a sea trial if at all possible.
Bring your mechanic/surveyor along for the ride. Listen to the boat while
you're out. Note any odd noises, make sure the engines turn the same RPM at
WOT, make sure it's not pulling heavily to one side or another (assuming a
balanced load). It's really just common sense stuff with a boat of this
size. For example, if you see a rusty fitting, ask the dealer about it, then
ask him to replace it as part of the deal.

I hope it works out.

--Mike

P.S. My wife says I'm a source of natural gas as well. ;-)

seadoo challenger 1998 twin 75 rotex
 

Mike wrote:

By all means, bring your own mechanic. If the dealer objects, then move on
and look for a boat elsewhere. Insist on a sea trial if at all possible.

I never mind when someone brings a qualified mechanic, what I see more
of is bringing a friend who claims to know something about boats, who
proceeds to try and show off in front of the person that brought him to
make it looks like he knows something. It's a no win situation for me
because if the tag-along says something is wrong and I claim otherwise,
I look like I'm covering up when it's just that he doesn't know what
he's talking about.

I have been hired many times to look over a boat for someone who was
about to purchase from a private seller and it was the best investment
they could make.

--
Regards,
Dave Brown
Brown's Marina Ltd
http://brownsmarina.com/

seadoo challenger 1998 twin 75 rotex
 

"Dave Brown" wrote in message
news:Tt2dnWokC9FTiD_UnZ2dnUVZ_giWnZ2d@wtccommunica tions.ca...
Mike wrote:

By all means, bring your own mechanic. If the dealer objects, then move
on and look for a boat elsewhere. Insist on a sea trial if at all
possible.

I never mind when someone brings a qualified mechanic, what I see more of
is bringing a friend who claims to know something about boats, who
proceeds to try and show off in front of the person that brought him to
make it looks like he knows something. It's a no win situation for me
because if the tag-along says something is wrong and I claim otherwise, I
look like I'm covering up when it's just that he doesn't know what he's
talking about.

I have been hired many times to look over a boat for someone who was about
to purchase from a private seller and it was the best investment they
could make.

--
Regards,
Dave Brown
Brown's Marina Ltd
http://brownsmarina.com/

Hi Dave,

I couldn't agree more. He said mechanic, but I suppose it could have been a
lawn mower mechanic. ;-) I should have qualified my response.

Thanks for chiming in.

--Mike

seadoo challenger 1998 twin 75 rotex
 

On Sun, 22 Feb 2009 18:34:36 -0800 (PST), P
wrote:

I have a source for natural gas, but it's unlikely to be usable in the
rotax's. Or anywere.

It is the gasoline usually produced along with the gas. I remember my
uncle taking the five gal cans out of the trunk and filling them.There
was a length of 1/4 inch copper tubing with a valve in it, coming out
of the nest of pipe at the wellhead. Thay call this casinghead
gasoline.

Casady

seadoo challenger 1998 twin 75 rotex
 

Thanks all. Two questions;

When Wayne says the Rotax engines are not known for their longevity -
how do I (or my mechanic) screen for that? I guess one thing would be
the hours meter - one for each engine/where? I'm told the servicing
history is available - anything special to look for?

In addition to the usual splashing around/water skiing, I'd like to do
a bit of trolling on lake ontario - other then a bad directional
problem at this slow speed with a jet boat (not the end of the world
in a huge lake) are there any gotcha's here? Again - the sole reason
for this type of boat is that it fits in my garage - I realize
trolling in a jet boat is unusual.

The boat itself can be seen here;

http://www.boatcan.com/showboat.php?ad=1136942651

seadoo challenger 1998 twin 75 rotex
 

On Sun, 22 Feb 2009 17:00:12 -0800, "Mike" wrote:

the well produced lots
of natural gas and some gasoline, pentane distills out at 98F.

I did not know that! Interesting.

The newer jetboats are much more fuel efficient than in the past. I'd still
like to gace a gasoline well though g.

Is Turbocraft hull number ten in the past enough. Tenth jet boat in
the US, fifty years ago. Still have it. It went a bit over thirty with
a 109hp flathead six. Got another 500 RPM with a Buick V-6. It has
never even been in shallow water, but my dad liked novel gadgets.

Casady

seadoo challenger 1998 twin 75 rotex
 

On Feb 23, 11:35*am, P wrote:
Thanks all. Two questions;

When Wayne says the Rotax engines are not known for their longevity -
how do I (or my mechanic) screen for that? I guess one thing would be
the hours meter - one for each engine/where? I'm told the servicing
history is available - anything special to look for?

In addition to the usual splashing around/water skiing, I'd like to do
a bit of trolling on lake ontario - other then a bad directional
problem at this slow speed with a jet boat (not the end of the world
in a huge lake) are there any gotcha's here? Again - the sole reason
for this type of boat is that it fits in my garage - I realize
trolling in a jet boat is unusual.

The boat itself can be seen here;

http://www.boatcan.com/showboat.php?ad=1136942651

nada guides say about $4k US for that boat. My main concern would be
the engines. I've watched those things around here and they mostly
get run hard and put away wet if you know what I mean.

seadoo challenger 1998 twin 75 rotex
 

"P" wrote in message
...
Thanks all. Two questions;

When Wayne says the Rotax engines are not known for their longevity -
how do I (or my mechanic) screen for that? I guess one thing would be
the hours meter - one for each engine/where? I'm told the servicing
history is available - anything special to look for?

In addition to the usual splashing around/water skiing, I'd like to do
a bit of trolling on lake ontario - other then a bad directional
problem at this slow speed with a jet boat (not the end of the world
in a huge lake) are there any gotcha's here? Again - the sole reason
for this type of boat is that it fits in my garage - I realize
trolling in a jet boat is unusual.

The boat itself can be seen here;

http://www.boatcan.com/showboat.php?ad=1136942651

I can't really address your concerns about the engines, but trolling is no
problem. I do it in mine all the time. I kill one engine and idle the other
in forward. You MUST get jet steering from he
http://www.cobrajetsteering.com/ if you get that boat. When I put them on
mine, it all of a sudden handled like my old I/O.

--Mike