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Old 11-18-2010, 08:59 PM   #76
ktmklx OP
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Quote:
Originally Posted by dentvet
I would prefer to have ktm stuff front and back but the yamaha stuff looks like it might be easier, once figured out. I haven't seen the bearings inside the ninja stem to guess whats needed there.

here's a neat ninja link for general faq:

http://homepages.slingshot.co.nz/~shanetp/Index.html
Thanks for the link. Are you building a Ninja or just looking into it?
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Old 11-18-2010, 09:10 PM   #77
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Quote:
Originally Posted by sanjoh
I'd recommend waiting on the seat until you have the suspension in place. The seat height goes up in a hurry, mine is around 37".

What forks are you looking for?
I have not made up my mind on the forks yet. Still thinking about late model KLR, but may make the jump to late model KX.

With KLR forks dual disks would be out.

One thing that worries about the MX forks is the bike getting too high.

Does anyone know anything about the forks on a DRZ400 SM? Are these MX forks or somethinig shorter with less travel?
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Old 11-18-2010, 09:16 PM   #78
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One of the problems with the Ninja and increasing travel is the muffler contacting the swing arm. Another exhaust issue is lack of ground clearence because the header and collector are so low.

I will hopefully address both of these issues with a modified header/collector and custom built muffler. Here are some photos of the mock up.
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Old 11-18-2010, 09:23 PM   #79
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This photo shows the collector in the stock location.



This photo shows the collector in it's new position with a can in place.



Here is header pipe all hacked up.


[IMG]

Can location
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Old 11-18-2010, 09:28 PM   #80
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The header will run along the side of the oil pan instead of under it. Kinda like a GS800.

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Old 11-19-2010, 08:21 PM   #81
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I'm working on the exhaust as well. Will run next to oil pan near oil pres switch. Although I'm keeping the muffler location because the luggage would need to be repositioned. Even with e360s it's a lot narrower than other bikes with luggage.



FYI if you are cutting up the stock header, 1.5" od SS tubing is a nice fit over the stock pipes. Found a bunch of mandrel bends on ebay for cheap.

Where do you plan on putting the collector?
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Old 11-20-2010, 05:20 AM   #82
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Quote:
Originally Posted by ktmklx
Thanks for the link. Are you building a Ninja or just looking into it?
I bought a salvaged one with the intent of mutation but I haven't got very far.

It took me 8 weeks to get the bike recertified and then i got hurt so i just stare at it, mostly. I haven't gone past the point of no return by hacking the subframe off or anything. I like the idea of the a Thinja or Thinstrom but I don't know where or who I would ride it with. All my buddies are woods riders.
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Old 11-20-2010, 05:46 AM   #83
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Quote:
Originally Posted by dentvet
but I don't know where or who I would ride it with. All my buddies are woods riders.
The ninja in stock form is a blast, just ride it.

I built mine as there is nothing else that could meet my needs.

ktmklx

Is that the stock collector? Are you going to use a hanger for the header? The stock muffler mount looks close for a hanger.
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Old 11-20-2010, 06:51 AM   #84
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Question Compare to SV?

when all is said and done, what advantage would a Ninja Mutant have over an Enduro-ized SV650 ??
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Old 11-20-2010, 08:36 AM   #85
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Quote:
Originally Posted by Zapp22
when all is said and done, what advantage would a Ninja Mutant have over an Enduro-ized SV650 ??
probably not much between the two bikes. partly would depend on whether you want your cylinders in a line or a vee. but having done a bunch of squniting and number crunching and thnking about doing the same thing, i'm leaning more toward the ninja/versys over the SV.

ninja pro:
compact motor, could even be wedged into another frame
no worries about 21" front wheel hitting radiator or front cylinder
simple rear suspension

sv pro:
mighty sweet engine
link rear suspension might actually be easier to increase travel to "real dirt" numbers

ninja con:
gonna need one helluva bashguard
tough to get lots of rear travel

sv con:
front cylinder/radiator/wheel fit puzzle

they're both pretty appealing, and for me it'll probably end up depending on what donor bike i can get for real cheap.
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Old 11-20-2010, 11:01 AM   #86
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Quote:
Originally Posted by ktmklx
I have not made up my mind on the forks yet. Still thinking about late model KLR, but may make the jump to late model KX.

With KLR forks dual disks would be out.

One thing that worries about the MX forks is the bike getting too high.

Does anyone know anything about the forks on a DRZ400 SM? Are these MX forks or somethinig shorter with less travel?

Have you looked into having MX fork tubes shortened, to get the travel number you want? Given that any MX conversion will need a revalve, and new springs minimum anyway it might not be that much more. KYB 46 or Showa 47 USD with triples are floating around for $100-200. I would think that you could pull of a USD conversion with wheel and brake for $500-700, and it would handle great on or off road.

As far as KLR forks go I would stay away from them and the XRL forks, they are too small for heavy bikes and flex alot off road giving very mushy steering. On the other hand the DRZ400 and XR400, and XR650R forks are larger diameter and seem to work well.

I love the idea of the ninja dual sport, they seem very similar to my TDM 850.
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Old 11-20-2010, 11:15 AM   #87
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Anyone tried extending the length of the ER6 swingarm to get more wheel travel?
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Old 11-20-2010, 01:19 PM   #88
dentvet
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Quote:
Originally Posted by mtothef
probably not much between the two bikes. partly would depend on whether you want your cylinders in a line or a vee. but having done a bunch of squniting and number crunching and thnking about doing the same thing, i'm leaning more toward the ninja/versys over the SV.

they're both pretty appealing, and for me it'll probably end up depending on what donor bike i can get for real cheap.
I suggest you make a disturbing ninja. Dirtbike swingarm conversion combined with a underseat fuel tank. Gets rid of the bulbous tank and hips, solves the suspension travel problem. perhaps an integrated fuel tank/subframe.

Its already been done on a sv650 but I haven't seen it done to a ninja yet.

http://www.advrider.com/forums/showp...&postcount=198

I wonder how much pounding the ninja frame can take?
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Old 11-20-2010, 05:09 PM   #89
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Quote:
Originally Posted by dentvet
I like the idea of the a Thinja or Thinstrom but I don't know where or who I would ride it with. All my buddies are woods riders.
i'll ride with ya, get that thing built. west virginia gravel spring 2011. we'll get sanjoh to ride up from florida and have a rat ninja rendezvous. sanjoh can bring sets of those LEDs and hand them out as party favors.

i'm about ready to start my winter build, the latest iteration will be number three. i already did the mockup for the new gravel runner, all i can say is, it looks huge. it will also be the cheapest one yet. i haven't decided on the final budget number, but it will be low buck for sure.
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Old 11-20-2010, 05:11 PM   #90
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Quote:
Originally Posted by dentvet

I wonder how much pounding the ninja frame can take?
LOTS
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