Johnson Sleds - Snowmobile World : Your #1 Snowmobile Forum

 
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post #1 of 9 (permalink) Old 11-27-2007, 06:32 AM Thread Starter
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any johnson sleds out there. omc made a couple or marketed them. I had a 440 johnson that was orange/black back when I was 16-17.

"DREAM AS THOUGH YOU'LL LIVE FOREVER, LIVE AS THOUGH YOU'RE GOING TO DIE TOMMORROW" JAMES DEAN
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post #2 of 9 (permalink) Old 12-01-2007, 12:47 AM
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You must have had a Rampage. Would love to see one now.
I have only memories left of my family's Johnson and Evenrude sleds, oh, and
a few pictures. Need to find the pics and scan and post them.

First family sled was a 1966 Johnson, their first year. 14 hp- 360cc opposed twin that
fired both cylinders at the same time. A bear for a 10 year old like myself to pull
over. Two hands on the rope, and put the whole body into it.

Second and third sleds were 67 Evinrude wide track, then 67 Evinrude narrow track.
Wide track was about 5-10mph slower that the narrow track. My guess is about 30mph
for the wide, and high 30's for the narrow. Still a lot faster than the 68's, which had
power boosted up to 16hp, but in a higher and more feature packed sled. 68's came
standard with reverse lever, most had electric start, I think. They were much heavier
than the 67's and the 67's would walk away from the 68's. Two of our neighbors had the 68's, and I delighted in trouncing them in the fields with our hot 67 narrow track.

The first Rampages (Johnson) and Bobcats (Evinrude) had the opposed twins.
But they bumped the horsepower up to insane levels of 25 and up to about 32
horsepower, and the cooling systems couldn't keep up and they melted down
under standard abuse. These were their own engines based on their race proven
opposed twin outboard motors.

They then used some other manufacturer's side by side twins for a year or two in their
light/performance sleds, then went the wankel and big opposed twins on their luxury
sleds, then quit about the same time Merc did.

Except for the conventional twins that they used for a short time, I think they made almost
all the major components of the sleds themselves.

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post #3 of 9 (permalink) Old 12-01-2007, 08:18 AM Thread Starter
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Quote:
You must have had a Rampage. Would love to see one now.
I have only memories left of my family's Johnson and Evenrude sleds, oh, and
a few pictures. Need to find the pics and scan and post them.

First family sled was a 1966 Johnson, their first year. 14 hp- 360cc opposed twin that
fired both cylinders at the same time. A bear for a 10 year old like myself to pull
over. Two hands on the rope, and put the whole body into it.

Second and third sleds were 67 Evinrude wide track, then 67 Evinrude narrow track.
Wide track was about 5-10mph slower that the narrow track. My guess is about 30mph
for the wide, and high 30's for the narrow. Still a lot faster than the 68's, which had
power boosted up to 16hp, but in a higher and more feature packed sled. 68's came
standard with reverse lever, most had electric start, I think. They were much heavier
than the 67's and the 67's would walk away from the 68's. Two of our neighbors had the 68's, and I delighted in trouncing them in the fields with our hot 67 narrow track.

The first Rampages (Johnson) and Bobcats (Evinrude) had the opposed twins.
But they bumped the horsepower up to insane levels of 25 and up to about 32
horsepower, and the cooling systems couldn't keep up and they melted down
under standard abuse. These were their own engines based on their race proven
opposed twin outboard motors.

They then used some other manufacturer's side by side twins for a year or two in their
light/performance sleds, then went the wankel and big opposed twins on their luxury
sleds, then quit about the same time Merc did.

Except for the conventional twins that they used for a short time, I think they made almost
all the major components of the sleds themselves.[/b]
mine was not the opposed twin it was conventional.

"DREAM AS THOUGH YOU'LL LIVE FOREVER, LIVE AS THOUGH YOU'RE GOING TO DIE TOMMORROW" JAMES DEAN
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post #4 of 9 (permalink) Old 12-01-2007, 09:27 AM Thread Starter
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my buddy that lived next door growing up had a wankel in his. they were not bad . to early for their time IMHO.

"DREAM AS THOUGH YOU'LL LIVE FOREVER, LIVE AS THOUGH YOU'RE GOING TO DIE TOMMORROW" JAMES DEAN
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post #5 of 9 (permalink) Old 01-23-2008, 07:30 PM
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Quote:
any johnson sleds out there. omc made a couple or marketed them. I had a 440 johnson that was orange/black back when I was 16-17.[/b]
That was a Johnson JX you owned. I had quite a few of them. They were great machines. The opposed twins were perhaps the most dependable motor ever put into a snowmobile. They most certainly never ran hot. The opposed design allowed for extremely efficient cooling. The Rampage models required premium gas and if you ran regular, sure they ran hot. The opposed twin design put out maximum horsepower at a very low rpm. That's why they lasted so long and NEVER ran hot. The JX models had alternating twins in them from 35 to 50 hp.
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post #6 of 9 (permalink) Old 01-24-2008, 11:26 AM
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There's guys still racing them. :thumbsup:





http://vintagesleds.com/bs/index.php?topic=5581.0


I had a '69 Evinrude Skeeter, but she was rusted out beyond saving.

Currently in the workshop...
1983 Indy 400
1978 RV 440 mod
1977 Rupp Nitro 440
1975 TX 440
1980 Centurion 500


http://i20.photobucket.com/albums/b2...atc250ri2x.jpg http://i20.photobucket.com/albums/b2...eafspring4.jpg http://i20.photobucket.com/albums/b2...cneeds.php.png
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post #7 of 9 (permalink) Old 04-06-2008, 12:24 AM
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A friend of mine has a Johnson 400 jx with an omc motor great shape for what it is electric start works good just no spark.
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post #8 of 9 (permalink) Old 01-27-2009, 09:29 PM
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Johnson Sleds

I just got 2 actually a JX400 and a JX440. I am trying to get them running right now, they sat for 20 + years. I don't know if i will sell them they are both in fantastic shape. Still have the original decals!!
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post #9 of 9 (permalink) Old 01-28-2009, 09:04 PM
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Johnson !!

tocheaotosmoke, I love that johnson race sled. I did alot of racing back around the 1976 years and never saw or heard of a sled like that. Is this a factory sled? Or is it a made up sled? When I was younger our family had 4 Evinrude Skimmers. A 74 400, 76 440s, and 2-76 650's. They all had the Bicentenial decal package on them. I would sure like to know more about the johnson sled. I there any link to see them on???

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