KX Guru Racing KtX500e Kawakaze electric start KX500 & KTM Chassis

Bike Builds and rebuilds. Post pics and discuss your projects.
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60something
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Location: Midwest USA

Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by 60something » Thu Mar 29, 2018 7:45 pm

I was looking at the ORV laws for Michigan state ORV trails and here is the noise standard (besides requiring a spark arrestor):

"Exhaust noise must not exceed 99 dB(A)—or 94 dB(A) on
vehicles manufactured after January 1, 1986—when tested
according to the provisions of the SAE J1287 test." :shock:

Never gave it a second thought on the KDXs, but I'm a bit concerned about the K5.
I don't know half of you half as well as I should like, and I like less than half of you half as well as you deserve.

2006 Kawasaki KDX200 qty-2
1987 Kawasaki KX500
1991 Honda CB750 Nighthawk
1973 Kawasaki H2 750 Triple - gone but not forgotten

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Sandblaster
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Fri Mar 30, 2018 12:04 am

We have noise and arrestor laws here in Oregon.
I have never had a issue as the KX500 has a lower tone then smaller bikes.
Guys get pulled over left and right to be tested and I ride by in a high gear and low throttle.
I've only gotten one look as I went by but I think it is because my bike looks so good :lol:
If bikes are for kids I'll never grow up.

BigTerry
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by BigTerry » Mon Apr 30, 2018 12:33 pm

Couldn't help but notice a lack of updates on this way cool build. For a month. Here and on Vital. MXA issue a cease & desist ? I get it I guess, if so Mike. Could we get a sneek peek please ?

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Sandblaster
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Mon Apr 30, 2018 2:29 pm

Lol... No, nothing like that.
I'm waiting for some parts so I can move forward.
I've been designing, redesigning, welding, machining, rewelding, remachining, ect the Guru valves.
Turns out they were a bit more difficult then I intended.
But I have made significant progress on them and I believe after I pick them up this week I can hand work the final machine work and test them out.
Before I install them in my KTX I will be testing them in my Sand bike to be sure they operate as intended and with some reliability.
Once proven I will take the top end off and swap it into the KTX.

As soon as the pipe gets here... hopefully this week, I can do a final mock up... take some pics.... then if everything fits good I can disassemble and send the frame off to the powder coater for some Kiwi green and clear coat 8-)
If bikes are for kids I'll never grow up.

BigTerry
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Joined: Tue Apr 24, 2018 9:51 pm
Location: St.Helens Ore.

Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by BigTerry » Mon Apr 30, 2018 2:52 pm

Thanks Mike :lol:

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Sandblaster
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Mon May 14, 2018 4:15 am

I finally got my Cerakote gear set up and decided to try some color.
So what better part to try it on then my back up 2 piece clutch cover... :o


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If bikes are for kids I'll never grow up.

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Sandblaster
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Mon May 14, 2018 4:19 am

As soon as it cooled off enough... I had to see....


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If bikes are for kids I'll never grow up.

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Sandblaster
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Mon Jun 04, 2018 3:34 am

Since I don't think we will have the Turbo Crank figured out for the 500 in time for this build to be completed, I'm building a new crank...


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Getting the pre polish done..




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If bikes are for kids I'll never grow up.

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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Mon Jun 04, 2018 3:36 am

I'm also double checking all the fittings and clearances...
This side is tight but has just enough clearance...



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If bikes are for kids I'll never grow up.

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Sandblaster
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Re: KX GURU Racing kx500 Engine in a 2016 KTM 250 SX PUMPKIN SEEDS BUILD

Post by Sandblaster » Mon Jun 04, 2018 3:39 am

Final checking before disassembly and powder coating..


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The rod is almost ready..


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If bikes are for kids I'll never grow up.

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