Just
thought I'd give ya a little update on my sled. I have
an 08 800r with your 13.1 head, porting and ecm remap. I
just did a full rebuild crank and with brp pistons, had
a dealer credit on them so didn't cost me anything.
Runnin 8hole base and squish at 48 thou and 450 mains. I
was on the lake here today against a shr 840 with twin
dmax pipes and he tried all he could and I was
consistantly faster. I have more to gain as I was
consistantly seein 8400 on the digital so lil more
flyweight and I'll pick up some more. Just wanted to
give a little credit where credit is due. Thanks for the
solid and reliable HP. Jesse
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Hello Kelsey
and warm greetings from Finland!
It has been
one great winter. Both our group RKtek´s have been
running without a problem and VERY strong (been
comparing them to 800etecs and no problem to outrun
them!). I counted that I´ve run 600l on gas with this
thing and absolutely love it! Still one trip to go into
swedish mountains, lets see how it runs over there.
-Kimmo
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just thought I would give you an update on the kit I bought
from you. The thing runs so strong I am having a hard time
keeping the front end from coming to far off the ground.
That is with toms evolution rear skid. but must admit its a
good problem to have. Thanks for the great product.
Jason Johnston
Soldotna, AK
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just wanted to say thank you again for your help. oil pump
was at 22 which we didn't even think of checking...lesson
learned after a sled goes down to check everything, not just
the obvious. sled runs absolutely awesome, tons of power
and am just thrilled with it.
thanks again for your help and for an awesome kit to make
this doo run like a champ!
Brian Heringhaus
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Kelsey, I could not be more happy with the head you sent me
for my home brew f7-f8 kit. looks as new still and performs
perfectly. The 03 f7 used to have a problem with the heat
light flashing under a lot of conditions, it has never come
on since installing you're head. Performance is superb, but
I have been accused of having nos on the sled since putting
the kit in lol, again many thanks. Michael Fitzherbert
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Kelsey...
I am so impressed with this thing...we took them up MT. Baker
this last weekend and were out climbing the few turbo dragons we
encountered...Bad ass to say the least! I have not been out with
any other stock xp's yet but when I do I will def. take some
pulls side by side to show the difference when we do...
I was also thinking maybe, I would like to come down and ride in your
neck of the woods? Shoot some footage! Check out RK-TeK maybe
talk to the owner...see what Rk Tek has planed for the future!
Let me know if you are interested?
Thanks again, I am a firm believer in your kits and I will talk
them up every where we ride!
Shaun
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First off all i can't belive how well this kit performs! Outrun
all the sleds iv'e tested against, including a nytro xtx with
challenger 136- 2" track up a steep mountain in almost 2feet
powder. He started up first, and i started in the back, and
halfway up i outrun him with the skis 1feet of the snow! All in
my riding group was amazed of my shortie after the rk tek kit
install. I got 120-1.75 inch ripsaw track and i have a thought
time holding the skis down in a steep hill. lowered the front
and lifted in the back
Cheers
Rino Andersen Norway.
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I have your cheater head and pistons along with your clutch and
carb tuning specs in my Ski Doo Mxz 800 and have never been so
happy with a performance upgrade! (you guys made me top dog in
my group of mutts)
Hoping we can transfer that technology to watercraft racing.
Thank you,
Ryan Frokjer
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My name is Mark P***** and I own a
small engine repair shop(Sun Sport Sled&Marine) in Fort
Saskatchewan, Alberta ,Canada.I personally own a XP with an 800
drop in kit and mpem re-curve and love it and would like to
offer this kit and 860BB kit...ect to my customers.
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Kelsey,
Sled is still running strong this
year with no problems at all. Have ran with some stock
m1000,s that have told me that they have never been beat by
a Doo. In 8 inches of snow on lake could pull up beside
either one and slow down and then pull away. They even said
they were very surprised that the sled worked that good.
On the hill could give them a head
start and pass them before the top of hill .(Long hill) Some
of this could have to do with a 174 track as the GPS speed
on the hill is quite a-bit more . Have ran with my buddies
2009 m800 with y pipe, pipe and intake that was the famous
dyno 164hp and it isn’t even close.
I don’t know what was wrong last year
,if the bore size was a-little bigger, jetting to lean or a
little of both. With the cylinders redone due to nikasil
coming off the sled has never ran this good as the pistons
seemed to fit tighter after the redo.
Jetting is 480’s needle (2007) in
middle position, pods, Boyesen reeds, Dyno-port y and pipe.
Could go down some more but wash is about ½ inch and runs
good so leaving well enough alone. Running 20% 110 to be on
the safe side. (3000ft to 7000ft )
Anyways just wanting you to know
this as I am sure that you get a lot of bitching at times.
Keep up the good work and is it worth it to send you my
cylinders and have the porting updated this summer as will
be putting in new pistons anyways. Don’t think it needs it
but it is cheap insurance.
Drop me a line and let me know about
the porting .
Grande Prairie Alberta Canada
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Hello.
I have been riding my sled alot this winter and it works
great!!!
I have been doing really good in competition and even better
on the mountains. I have raced alot off Yamaha turbos on
pump gas and it have turned out great to my favor.
Now I am thinking on running race gas in competition.
Do you have some experience with race gas on M1000? and do
you can make me some heads that will work with race gas?
Maybe I also need to change my timing?
Thanks.
Bjorn Terje Viki
Norway
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Kelsey, I installed and ran your
kit this weekend on my 09 M8 162 with an slp single and
can. For the 1st time since I've owned this sled I was
finally able to hold RPM's when either doing short climbs or
longer ones. The only difference was on the short climbs my
RPM stayed at 8050 while on much longer pulls it seemed to
settle at 7940. This kit was worth every penny!!!!!! The
two guys I ride with liked what they saw and I ended up
letting them try my clutch, one of my buddies went and
ordered one from Rob Kerch and the other guy is about to pry
open his wallet too. Now I have a couple fine tuning
questions. I started with your recommended settings of 68g
primary cat light tip weights with the yellow white primary
spring. I also set the secondary spring tension on the
second to the weakest setting. My riding elevation is
between 5 and 8k. My goal was to reach or hold closer to
8100 on the longer pulls
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