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Author Topic: Doing Research For Tracker Build Using Kawi Ninja 650 (Probably)  (Read 2780 times)

Offline johnu

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Ok guys as the title suggests I'm trying to plan a tracker build using a Ninja ex650 and want to get as much info as I can before I even purchase a donor bike.  If I was independantly wealthy I would use a modern Triumph Boneville but that's not in the budget (actually my sons budget). 
So I will be leaving the engine stock at least initially.  I definitely want to use 19" wheels with dirt track tires so I need suggestions for wheels that might work.  I would really like to convert it to twin shock rather than the mono I can build my own swing arm.  I may change out the forks also.  What kind of geometry do dirt track bikes typically run and would that work ok for a street bike?  I will build my own tank and seat also exhaust so that's not an issue.
Inspiration for this build would be any of the Mule motorcycles tracker builds!
Has anyone seen or built a tracker from one of these Kawi's?
I've attached a pic of what I hope to start out with.

Offline irk miller

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Three Ninja 650's finished in the top 10 at the HD TT at Daytona last Thursday.  The circuit is being dominated by Indian FTR's, which were built specifically for flat track, so I'd say the Ninja compete pretty damn well.   


Offline 1fasgsxr

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I went to the Red Mile last year and there were tons of 650's running and very competitive.
http://www.dotheton.com/forum/index.php?topic=41083.0

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Offline Maritime

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Here is one built of a versys 650 which is the same basic donor with longer suspension travel.

The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
CX500 Low budget Bobber : http://www.dotheton.com/forum/index.php?topic=43617.0
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Offline doc_rot

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Crosley kawasaki won the championship two years ago. I think the biggest challenge you will face is coming to terms with the stock  frame. That giant chunk of cast aluminum where the swingarm pivot goes is very visually dominating. I know that shortened R6 conventional forks are a common choice for budget racers.
« Last Edit: Mar 20, 2018, 16:43:28 by doc_rot »

Offline J-Rod10

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You'll have frame issues with an attempt to go to twin shocks.

All the bikes posted, have purpose built frames.

Offline johnu

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You'll have frame issues with an attempt to go to twin shocks.

All the bikes posted, have purpose built frames.

You are probably right about that!  This bike has I think a stock frame with a custom swing arm.

Offline johnu

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Thanks for all the help so far :)  I keep thinking about the wheels and I wonder if I could use MX hubs laced to 19" rims?  Only issue I see there is it would have to be single disc on the front.

Offline canyoncarver

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I love the build idea, why twin shocks though?
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YZF750/1000R The Fly
KZ 750 Twin
ZRX 1100
KZ400 The Rabbit
65 Norton, My damn Shovelhead chop, and an 86' FXR
more YZF750R's, the KZ's, a Zephyr750...and the unfinished 75' CB550 cafe.
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Offline johnu

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I love the build idea, why twin shocks though?
Just thought that it might take a bit of the modern edge off of the bike!  It's crazy my last build was a twin shock originally and I converted it to mono ::)