Topic: Twin Javelins Update – Antique Outboard Motor Club,Inc

This topic has 11 replies, 8 voices, and was last updated 5 years, 7 months ago by bill-mcnamara.

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September 9, 2018 at 12:24 pm #11121
bill-mcnamara
Participant
Canada Member
Just a big "Thanks" to all the guys who chimed in about the problem I was having with one of the motors letting water into the crankcase a couple of weeks ago.
As suggested, I replaced the exhaust cover gaskets, and BINGO !

We had the rig out yesterday, and the recovery system…. has recovered, yahoo.

Previously I was getting twice the volume of fluids out of the left engine, yesterday they were balanced.
I also noticed that fuel consumption was exactly the same this trip, previously the left engine was using up more fuel.

This Forum is GREAT, thanks again.

Bill.

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September 9, 2018 at 1:20 pm #82485
bobw
Participant
US Member
Bill,

Glad to hear you got it solved. Although it took awhile to track it down, good to see it was a simple fix.

Bob

1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20

“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."
September 9, 2018 at 1:37 pm #82487
nj-boatbuilder57
Participant
Glad to hear it’s fixed. I can see how bad gaskets there could cause the difference in oil capturing, but I don’t understand how the fuel consumption would change. The exhaust gaskets are post-combustion, so I would think that "mileage" wouldn’t be affected.

What am I missing? I’m newer to outboard engines with only a couple of years under my belt, so I’m looking to learn all I can!
September 9, 2018 at 3:58 pm #82495
chris-p
Participant
Bill,,,,,,,now that’s better!
September 9, 2018 at 4:34 pm #82499
vintin
Participant
Glad to hear it.

I think recovery systems are awesome!
September 10, 2018 at 12:04 pm #82545
fleetwin
Participant
US Member - 2 Years
Great!
September 10, 2018 at 3:01 pm #82555
reivertom
Participant
US Member
Cool looking outfit. Sex on the water!
September 10, 2018 at 3:29 pm #82558
lloyd
Participant
US Member
I have twin 57 Javelins on my Big Alumacraft. What a thrill ride!!!
September 10, 2018 at 6:27 pm #82576
fleetwin
Participant
US Member - 2 Years
quote Lloyd Lautner:

I have twin 57 Javelins on my Big Alumacraft. What a thrill ride!!!

Nice to hear from you again here Lloyd, hope you are doing well…
September 11, 2018 at 2:35 am #82606
bill-mcnamara
Participant
Canada Member
Thanks for the positive comments guys.
This was the first time I’ve tried the twin engine concept, and the rigging was interesting.
The boat is supposedly rated for 80hp, but the twins get it up to almost 30 mph which is plenty for me.
I do have a ’65 Evinrude V-4 60 hp that I was thinking about using to power the boat, but really enjoy the uniqueness of the TWO Javelins.

Bill.
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