1977 JD Cyclone 440

This is where you can post the story & photos of your John Deere Snowmobile project.
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though
Posts: 20
Joined: Mon Feb 03, 2020 5:07 pm
Real Name: Tony L. Hough
Location: Iowa

Re: 1977 JD Cyclone 440

Post by though »

10-4

The search begins!

Thanks man!
A few Deere sleds
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jep_800
Posts: 445
Joined: Wed Dec 31, 2014 1:33 pm
Real Name: Jason
Location: Grand Forks, ND

Re: 1977 JD Cyclone 440

Post by jep_800 »

Tony, I have found that I can find the jugs, pistons, rings, and heads easier than you can find the whole engine. I'm working on a 76' Cyclone right now, and I took it down to the case, split the case, changed one bearing that was bad on the crank and built it back up. Like Brian says, I just bored the cylinders with new pistons/rings, freshened up the heads and a complete gasket set. Has compression like from the factory.

Even if you find a 440/22, you will likely have to do similar work to it anyway, as they've all been pretty used over the years.

He's also right that we're nut jobs who spend money on these sleds to ride them around the woods until we have to rebuild them AGAIN! Fun hobby though.

Jason
1975 John Deere 800
1975 JDX8 (VC Finisher 2019)
1976 440 Cyclone (VC Finisher 2022)
1974 El Tigre 440 (Sold)
1996 Arcitc Cat 440Z
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jep_800
Posts: 445
Joined: Wed Dec 31, 2014 1:33 pm
Real Name: Jason
Location: Grand Forks, ND

Re: 1977 JD Cyclone 440

Post by jep_800 »

Here's the finished engine. Take your time and do it right, they'll run well for a long time.
Attachments
IMG_0345.JPG
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1975 John Deere 800
1975 JDX8 (VC Finisher 2019)
1976 440 Cyclone (VC Finisher 2022)
1974 El Tigre 440 (Sold)
1996 Arcitc Cat 440Z
Popcorn popper
Posts: 225
Joined: Tue Dec 29, 2020 6:21 pm
Real Name: Steve

Re: 1977 JD Cyclone 440

Post by Popcorn popper »

Wow looks awesome. How do you get clutch looking so shiny among other things lol.
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