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Old 09-13-2018, 11:35 PM
AZRickD AZRickD is online now
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Join Date: Feb 2007
Posts: 1,800

Close up of the RK-Tek head work.
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Old 09-14-2018, 12:31 PM
Moto7man Moto7man is offline
Join Date: Aug 2011
Location: Murfreesboro,Tennessee
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Originally Posted by AZRickD View Post
Lot?s going on in the garage when I get back from my 40-year high school reunion.
Lectron carb, RK-Tek milled head. Bib Mousse tire inserts...
Nice stuff! I have ridden a 2018 GG with the Lectron at the Demo ride, it was nice!
2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black
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Old 09-19-2018, 10:43 PM
AZRickD AZRickD is online now
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Join Date: Feb 2007
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I installed the RK-Tek modded 2018 XC300 head today. I took rosin core squish measurements before and after. Kelsey says that measuring technique is not useful, but I did it to show him I?m a true geek.

Before: 1.80mm.
After: 1.25mm

Kels said it would end up about 40-thousandths (1.01mm), so that might point to the accuracy of the technique. As a comparison, RB-Designs took my 2005 DE250 from 2.1mm to 1.05mm as measured by the same rosin core technique.
I also installed the Lectron 38mm HV carb. More below.

Next up was the Lectron. It measures 89.5mm from boot to reed cage. Just 14mm longer than the stock Keihin it replaced. It fits dandy. Much better than on my 2011.

I will miss the GG remote choke lever.

The 4-2 metering rod was factory set at 50.85mm.

The replacement throttle cable is a good couple inches longer

I hooked it all up and cycled the kicker to prime the carb. One good kick and it started right up.

The sound was very crisp. It reminded me of a KTM 65/85 in a way. I looked down to see my FMF Turbine Core silencer lying disconnected on the garage floor.

I guess I got a little ahead of myself.
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