Great job identifying my bug Sprint. Here's a harder one what is it?

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Mark Poos
Posts: 70
Joined: Sat Dec 01, 2018 11:16 pm
Vintage Karting items owned: Bug , Dart, margay expert
User Agreement: Yes
Location: Gilbert Arizona

Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Mark Poos » Wed Dec 05, 2018 10:54 pm

:D hello again everyone, got this card already modified and restored. Came believe it or not from a yard sale. Any idea what it started life as. Yes I know the hydraulic disc brake is not original neither is the Briggs Racing Engine. So dig on ,take a look and give me a feel for what I've got. Thank you. And as always thanks in advance,
happy holidays mark
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Mark Poos
Posts: 70
Joined: Sat Dec 01, 2018 11:16 pm
Vintage Karting items owned: Bug , Dart, margay expert
User Agreement: Yes
Location: Gilbert Arizona

Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Mark Poos » Wed Dec 05, 2018 10:59 pm

Ok , now what is it.
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ted johnson
Posts: 1419
Joined: Fri Jun 15, 2007 7:59 am

Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by ted johnson » Thu Dec 06, 2018 9:40 am

Mark, it's a very much modified Dart Kart. Maybe an A Bone, but I'm not sure. All those bumpers, nerfs, sissy bars, Etc. have been added. Look like Fox pedals, but maybe Manco. Azusa Tri Star wheels. Those added vertical bars behind the seat aren't stock, either. All the added junk shouldn't hurt the handling much, but even with a proper 2 cycle, the added weight isn't going to help! Ted

Mark Poos
Posts: 70
Joined: Sat Dec 01, 2018 11:16 pm
Vintage Karting items owned: Bug , Dart, margay expert
User Agreement: Yes
Location: Gilbert Arizona

Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Mark Poos » Thu Dec 06, 2018 1:19 pm

:D Thanks Ted, I was hoping it might be an old Rupp, although highly modified. I'm going to just keep it as it is with the hi power Briggs, as it runs like a scalded dog. Handles quite well and starts right up. My grandson seems to favor it for now. I'm sure when the bug Sprint is finished he'll claim that one as "his." And of course that's fine , :D my two grandsons are the reason I've gotten back into this. At least that's what I've been telling my wife when the money comes out of our account LOL. :-)

Rob Voska
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Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Rob Voska » Thu Dec 06, 2018 7:55 pm

Take lots of better pics. Brackets, lower frame rails, bottom of steering shaft, spindles & hangers, axle brackets etc......

Chris Marchand
Posts: 255
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Vintage Karting items owned: to daggone many
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Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Chris Marchand » Thu Dec 06, 2018 9:04 pm

How bout a Rupp Rob Ron concession model ?

Mark Poos
Posts: 70
Joined: Sat Dec 01, 2018 11:16 pm
Vintage Karting items owned: Bug , Dart, margay expert
User Agreement: Yes
Location: Gilbert Arizona

Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Mark Poos » Fri Dec 07, 2018 9:25 pm

:D , thanks for the reply to my post I just haven't had time to get out into the shop to get some better pics. The holidays grandkids and work are piling up LOL. I'll pull it out of the shop tomorrow and get some good pics of those areas that you wanted thanks Rob ..mark
Last edited by Mark Poos on Fri Dec 07, 2018 9:28 pm, edited 1 time in total.

Rob Voska
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Joined: Fri Jun 15, 2007 9:04 am

Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Rob Voska » Sat Dec 08, 2018 1:21 pm

Rear bearing hangers point to a Clark 440 fun kart (copy of a Dart) that has had a lot of work done. Azusa motor mount, Airhart / Dart / Margay style brake bracket, etc.......

Mark Poos
Posts: 70
Joined: Sat Dec 01, 2018 11:16 pm
Vintage Karting items owned: Bug , Dart, margay expert
User Agreement: Yes
Location: Gilbert Arizona

Re: Great job identifying my bug Sprint. Here's a harder one what is it?

Post by Mark Poos » Sat Dec 08, 2018 10:56 pm

Someone else thought it might be a Clark 440, reminiscent of a dart Kart..
Pretty well modified that's for sure and wrong power plant for vintage karting events ,but great for practice track time at the local track here .. 65 + the way it's set up right now with the Briggs lo206. Wouldn't want to bring it to a vintage event and embarrass myself. Well engineered and put together for what it is , but not what I would set up myself. The Briggs racing guys in the lo206 class like it and easy to work on at Innovative karting here where I get a lot of work done...
Like yourselves they're very nice folks and helpful in every way. Thanks for your input and happy holidays mark

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