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Old December 29th, 2007, 09:57 PM   #26
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Default Re: my kawasaki beetle project

you could suspend this rear off your spring plates and mount the motor/trans just above the torshon axle. they make them in custom widths

http://cgi.ebay.com/ebaymotors/ws/eB...ayphotohosting
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Old December 30th, 2007, 12:02 AM   #27
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Default Re: my kawasaki beetle project

how about some thing like this

or this way

Last edited by freetroy; December 30th, 2007 at 12:07 AM.
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Old December 30th, 2007, 02:39 AM   #28
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Default Re: my kawasaki beetle project

Cool idea for the project bro... but you won't end up anywhere near 800 lbs using the VW body... the Panty Buncher and the Rat Patrol are both hovering just over 1400 lbs and you don't get more gutted than either one of the two.
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Old December 30th, 2007, 05:00 AM   #29
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Default Re: my kawasaki beetle project

yeah but steve you have about 600lbs of reinforcement for the bed.
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Old December 30th, 2007, 06:07 AM   #30
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Default Re: my kawasaki beetle project

The green and blue setup in the picture above would not work well for the street. You will need a differential to avoid squealing tires going around corners.
I like the idea of a bike motor in a vehicle as much as the next guy, but I really think you should consider all of the work required and some of the advice from others here concerning the weight. VWs already have nice aircooled motors that are pretty easy to "hop up". You'll be looking at close to $2000 for a diff like the one in the red buggy and if you don't use something similar, you'll have no reverse.
I think a "big" bike motor in a Mini or a Fiat or a Super 7 clone would be fun, but in a heavy Bug it just doesn't seem worth the effort. Good luck!
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Old December 30th, 2007, 07:25 AM   #31
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Default Re: my kawasaki beetle project

how about i gut it like a drag beetle body and may i add i will have fiberglass finders hood decklid and aluminum floor pans
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Old December 30th, 2007, 02:28 PM   #32
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Default Re: my kawasaki beetle project

I'm not trying to talk you out of the idea. It may be awesome regardless of how much you cut out, but I've been watching BECs for a while now and I know that they are tempermental at best. Obviously the more weight you you eliminate the faster your car will be. I'm no bike engine expert, but that motor you have in your picture looks pretty old and tired. If you want it, go for it.
Here is a site that describes how a BEC drives, check it out.

Driving a BEC

Another site for BEC's:
Yahoo BEC Group

This is another forum for bike engine cars:

Locost USA Bike engine Builds
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Old December 30th, 2007, 05:10 PM   #33
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Default Re: my kawasaki beetle project

Chain drive units with differentals are way expensive.. The big design problem is how to hold the outter bearings. So here is what I came up with in mock up form..
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Old December 31st, 2007, 03:15 PM   #34
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Default Re: my kawasaki beetle project

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Chain drive units with differentals are way expensive.. The big design problem is how to hold the outter bearings. So here is what I came up with in mock up form..
dude thats a sweet idea why didn't i think of it that would work great thanks for that pici mite use it
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Old December 31st, 2007, 06:26 PM   #35
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Default Re: my kawasaki beetle project

My pleasure... those side plates are 12"x12"... You will still need a method to adjust the chain. A VW torsion clip could be use way easy too.. Funny thing is even after the hundreds of trikes Iv built, Iv still have never done a chain drive one.
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Old January 1st, 2008, 05:37 AM   #36
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Default Re: my kawasaki beetle project

I probably won't ever actually build anything, but I've researched the "chain drive diff" quite a lot on the net. Here are some links:

Chaindrive Diff 1



B'ville Salt Flat Car This site is very detailed with great pics.



Chain to shaft conversion
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Old January 1st, 2008, 04:43 PM   #37
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Default Re: my kawasaki beetle project

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Originally Posted by mkparker View Post
I'm not trying to talk you out of the idea. It may be awesome regardless of how much you cut out, but I've been watching BECs for a while now and I know that they are tempermental at best. Obviously the more weight you you eliminate the faster your car will be. I'm no bike engine expert, but that motor you have in your picture looks pretty old and tired. If you want it, go for it.
Here is a site that describes how a BEC drives, check it out.

Driving a BEC

Another site for BEC's:
Yahoo BEC Group

This is another forum for bike engine cars:

Locost USA Bike engine Builds
when i got the bike it was a wreak but the guy i got it from had it in his shop for 20 years and it had low miles like under 10'00 miles on it and the other thing its just dirty i never clean it up thats why it looked bad
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Old January 1st, 2008, 06:18 PM   #38
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Default Re: my kawasaki beetle project

If it's a 20 year old Kawasaki it may be a little light on HP, but it could be cool anyway. Keep us posted.
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Old January 2nd, 2008, 05:52 AM   #39
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Default Re: my kawasaki beetle project

well the motor i got it a 1975 kawasaki kz 1000 it pushing up to about 100 horse power so it should push it just fine
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Old January 2nd, 2008, 07:22 AM   #40
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Default Re: my kawasaki beetle project

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well the motor i got it a 1975 kawasaki kz 1000 it pushing up to about 100 horse power so it should push it just fine
I'm interested in seeing your progress as well.

That motor might put out 100hp but hp isn't the issue with bike engines, its torque. Do you have any idea what kinda of torque it produces?
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Old January 2nd, 2008, 07:32 AM   #41
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Default Re: my kawasaki beetle project

Even with the input from others about bike engine cars, I still think this is a case of: just because you can, does not mean you should.

I just do not agree that this will ever be able to go faster or more performance than if you just lightened up the VW and used a hi-perf ACVW engine. As many others said you need lower rpm torque and there is the old saying "no replacement for displacement"
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Old January 2nd, 2008, 10:30 AM   #42
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Default Re: my kawasaki beetle project

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Originally Posted by trikertroy View Post
Chain drive units with differentals are way expensive.. The big design problem is how to hold the outter bearings. So here is what I came up with in mock up form..
hey i need to ask would you be willing to sell the one in the pic and if so how much thank you
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Old January 2nd, 2008, 04:16 PM   #43
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let me know if you need those plans for that frame. i may know someone that has them.
hey thanks man thouse plans are sweet thank you if you need any thing just ask and i will try to find what ever you need
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Old January 2nd, 2008, 05:39 PM   #44
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Default Re: my kawasaki beetle project



I could use some punctuation and maybe a capital letter every now and then.
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Old January 2nd, 2008, 05:51 PM   #45
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Default Re: my kawasaki beetle project

it takes me longer to capitalize and punctuate then it does to answer someone. i do understand it makes it easier to read but i am no english major or computer savey.


and no problem freetroy.
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Old January 2nd, 2008, 07:13 PM   #46
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Default Re: my kawasaki beetle project

Freetoy,, What I have there wont do you much good as its only a mockup with thin sideplates to show the concept . It is just a common IRS VW diff with the ring gear removed (to be replaced with a sprocket) and VW side plates .... The real steel sideplates should be 12x12x1/4" but they really dont have to be square..hex or round or whatever will work... the diff holes need to be covered and a filler plug added... and sealed outter bearings instead of open stock ones.. The parts are super cheap.. any broked or bad VW Irs trans will work as the diff is usually the last thing to break.. Dont pay over $50 for one.. The design is very simple and I think you would be best served haveing a local fabracator put one together for you. Or someone that can cut/torch that big 7+" hole in 1/4" plate. Please keep in mind at this point Iv never had the need to build a real one so there may be some unknown long term problems that Im not aware of yet..Altho many people have built similar units with many different ways of supporting the outter bearings with much success..
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Old January 3rd, 2008, 09:16 AM   #47
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Default Re: my kawasaki beetle project

i re drew my plans so hear thay are
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Old January 3rd, 2008, 12:43 PM   #48
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Default Re: my kawasaki beetle project

found these pix in the bike thread. No info on it though. Looks like a pretty good use of an older Kaw'y

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Old January 3rd, 2008, 04:22 PM   #49
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Default Re: my kawasaki beetle project

dude thats sweet i think i seen it on the samba i like that web site
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Old January 3rd, 2008, 05:21 PM   #50
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Default Re: my kawasaki beetle project

Them old K's don't put out poop for torque, I was going to do a bike engine conversion on my mini (classic) but the hassle with bike engine swaps in most cars isn't worth it...Its like putting a .49 RC engine on a riding lawn mower.
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