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Old 02-19-2013, 08:51 AM   #1 (permalink)
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Talking The New Yamacat! Pictures

Gotcha... LOL

No but really in light of all this recent Yamaha/Cat talk it gave me a good idea over the weekend and i was bored.

I had a 81 Exciter 440 with a Burned down piston (gave to me for free)

I also had a 88ish AC 530 Liquid motor (also free) and pipe sitting at my house for a year now... Well it was nice out and looking at the 2 motors the 530 is like actually smaller so it gave me a idea lets drop it in!

So i was able to take the motor plate from the 440 motor and drill out new holes for the AC motor. Fits pretty dang good. There is no way that the 530 pipe will fit it hits the front of the hood but with a little modding i can make it work..

So the Free Yamacat is born. LOL

The next thing will be figuring out that belt/ coolers i can use. LOL
Attached Thumbnails
The New Yamacat! Pictures-yama.jpg   The New Yamacat! Pictures-yamacat.jpg   The New Yamacat! Pictures-yamacat2.jpg  
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Last edited by BC_Dan; 02-19-2013 at 09:18 AM. Reason: language
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Old 02-19-2013, 09:16 AM   #2 (permalink)
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You should be able to use the same belt it had if you maintained the C to C.

Pipe sticks out a bit too far for the hood to close?
A little creative cutting and welding should solve that easily.
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Old 02-19-2013, 09:19 AM   #3 (permalink)
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Put a bump on the hood, everyone will think you have a blower

Looks good! Keep us posted
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Old 02-19-2013, 09:23 AM   #4 (permalink)
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C to C might be a tad off because of the way the plate was, the oil pump on the cat motors hits the Yami plate so i had to move it forward a bit, but i can fix that pretty easily with washers and moving.

Yes, pipe sticks about 1/2 inch too far forward but im trying not to cut the hood if possible. ( but i will if needed) lol

I think im going to try and very slightly shorten the head of pipe a 1/2" that might do it.
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Old 02-19-2013, 09:29 AM   #5 (permalink)
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I wouldn't shorten it so much as do some angle cuts and turn the pieces to shorten the turn some so it fits.

The way I always did these kinds of installs was to set the motor using the belt of choice and then marking the plate for mounting.
That way I had the proper C to C and offset already rather than trying to adjust if later and find a belt that would fit.
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Old 02-19-2013, 09:33 AM   #6 (permalink)
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^^ yes great idea. I was hoping that i could just angle the head pipe a bit to make it workable!

I love this project because it all just free parts randomly laying around trying to make something cool out of all of it.
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Old 02-19-2013, 09:40 AM   #7 (permalink)
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Back in the day, I had a 72 Puma with a 433 Yamaha motor in it and used a Polaris pipe to make it fit.
Damn thing would stand straight up when you nailed it.
Ran it in Open mod class against 500/600cc lc sleds and beat most of them.
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1980 AC Pantera (donor engine to the 90 wildcat)


http://www.dcdrifters.net/


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Old 02-19-2013, 12:12 PM   #8 (permalink)
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Great project, good luck with it Cool that you get given all sorts of dead sleds, so you can make frankensteins like this
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Old 02-19-2013, 01:32 PM   #9 (permalink)
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Thanks! This is what happens when its raining and 45 degrees out. I just like to have fun with these things. Sure i could have just gotten a new piston for the 440 motor but i would have had to pull the entire motor apart anyway....

This one runs now.. and has alot more power. LOL

Tonight i will be screwing with the steering and skid... I have a ZR skid laying around.

Was thinking maybe a ZR skid and somehow attach some better suspension to the front?
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Old 02-23-2013, 01:33 PM   #10 (permalink)
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So here is a update on the Yamacat project. I got the pipe where i want it and i can close the hood without cutting it.

Also i ripped out the 2" skid and origional yami skid... Sitting next to a ZR its pretty terrible. LOL

So in goes a 2000 zrt skid and track. the Yami drivers to appear as they may work.. They are smaller for sure. The ZR skids are over 16" so it wouldn't fit in the yami tunnel as is.

I just slowly sanded down each front arm on the sides until it fit perfect. so i have a nice fit width wise. The 1" track clears but barely lol.

What i am wondering about is suspension mounting? im guessing that i cannot re-use the front arm tunnel hole because the distance between the drivers and front arm is different i would imagine. Im wondering if i just level it nicely and make a new front hole once it looks good around the drivers? Any input on that would be great

Also im not going to run that ZR gas tank but i am going to use the Yami tank with AC seat. Also i am lowering the entire bar setup so it wont be that high.

I def need to figure out a front suspension ( Phazer or Trailing arms?) any suggestions on that front would also be helpful
Attached Thumbnails
The New Yamacat! Pictures-nunda-20130219-00373.jpg   The New Yamacat! Pictures-nunda-20130223-00379.jpg   The New Yamacat! Pictures-steering.jpg  
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Old 02-24-2013, 07:37 AM   #11 (permalink)
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An easy way to determine where to drill the front mount is to measure the difference between the two skids front arms and that will tell you how far forward you will need to make the new mount. Then just keep the 23 3/4" spacing between the front and rear mounts. Install the rear mount as high up inside the tunnel as you can with out it rubbing and that way you will not have to make as much adjustment to the front end.
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'93 Wildcat 700EFI
w/ Comet 108 Pro-4 clutch & 01 ZR skid

'90 Wildcat Project in progress.

Vintage (sorta)
1980 Indy Trail 440 (for sale)
1980 AC Pantera (donor engine to the 90 wildcat)


http://www.dcdrifters.net/


Worshipful Master; F&AM Dryden Lodge# 472
http://www.masonicdryden472.org/

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