SoCal 2stroke Engine Mods

Rab
Posts
192
Joined
3/16/2015
Location
CA US
1/23/2019 10:36pm
I am interested in getting some engine work done to my 04 cr125, anyone have any recommendations of who does good work in the SoCal area?
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smrscott
Posts
368
Joined
12/15/2009
Location
Tustin, CA US
1/24/2019 12:58am Edited Date/Time 1/24/2019 12:58am
Varner Motorsports - he has specs for smokers that go back into the 80s
He build lots of fast CR125R back in the day - He built most of Mike Alessi's Amateur race bikes
https://www.varnermotorsports.com
5
mx295
Posts
4248
Joined
4/1/2008
Location
Quartz Hill, CA US
1/24/2019 8:10am
C4MX
bvm111
Posts
8463
Joined
7/1/2008
Location
Las Vegas, NV US
1/24/2019 8:23am
PC
1
1
barnett468
Posts
1250
Joined
7/19/2018
Location
Wildomar, CA US
1/24/2019 8:45am Edited Date/Time 1/24/2019 8:49am
Rab wrote:
I am interested in getting some engine work done to my 04 cr125, anyone have any recommendations of who does good work in the SoCal area?
what exactly are you wanting to get out of it? . once the cylinder is modified, it can't be unmodified.

i second varner. i know who he is. the others mentioned may be just as good but i never heard of them.

you could also ask dave miller but he may be too busy with his mini mania.

another thing to consider is that built engines typically require racing gas, so that ads to the cost of use if you are not currently using it. if you are already using it and are not using ms109, you should try that and tune your bike for it. it will make more power than any other vp fuel in it's price range, and that is a fact, but it reeks to high heaven.

The Shop

mattyhamz2
Posts
10272
Joined
7/6/2015
Location
So Cal, CA US
1/24/2019 8:51am Edited Date/Time 1/24/2019 8:52am
Varner for sure!

Second would be Twisted Development
walent215
Posts
2288
Joined
12/6/2014
Location
Ridgecrest, CA US
1/24/2019 8:53am
Rab wrote:
I am interested in getting some engine work done to my 04 cr125, anyone have any recommendations of who does good work in the SoCal area?
barnett468 wrote:
what exactly are you wanting to get out of it? . once the cylinder is modified, it can't be unmodified. i second varner. i know who...
what exactly are you wanting to get out of it? . once the cylinder is modified, it can't be unmodified.

i second varner. i know who he is. the others mentioned may be just as good but i never heard of them.

you could also ask dave miller but he may be too busy with his mini mania.

another thing to consider is that built engines typically require racing gas, so that ads to the cost of use if you are not currently using it. if you are already using it and are not using ms109, you should try that and tune your bike for it. it will make more power than any other vp fuel in it's price range, and that is a fact, but it reeks to high heaven.

Reek as in u4 type reek or something totally different?
barnett468
Posts
1250
Joined
7/19/2018
Location
Wildomar, CA US
1/24/2019 9:03am Edited Date/Time 1/24/2019 9:04am
Rab wrote:
I am interested in getting some engine work done to my 04 cr125, anyone have any recommendations of who does good work in the SoCal area?
barnett468 wrote:
what exactly are you wanting to get out of it? . once the cylinder is modified, it can't be unmodified. i second varner. i know who...
what exactly are you wanting to get out of it? . once the cylinder is modified, it can't be unmodified.

i second varner. i know who he is. the others mentioned may be just as good but i never heard of them.

you could also ask dave miller but he may be too busy with his mini mania.

another thing to consider is that built engines typically require racing gas, so that ads to the cost of use if you are not currently using it. if you are already using it and are not using ms109, you should try that and tune your bike for it. it will make more power than any other vp fuel in it's price range, and that is a fact, but it reeks to high heaven.

walent215 wrote:
Reek as in u4 type reek or something totally different?
well if u4 has mtbe in it, then yes, it will reek like u4 but maybe a little more, lol. it really doesn't seem to bother some people but it was so bad for me that i decided not to use it even though it made more power with better throttle response in my bike.

yz133rider
Posts
4125
Joined
8/1/2013
Location
Avondale, PA US
1/24/2019 9:09am
Id rather not have each ride day cost 50 dollars in fuel for the bike. Expensive enough as it is.
2
barnett468
Posts
1250
Joined
7/19/2018
Location
Wildomar, CA US
1/24/2019 9:14am
yz133rider wrote:
Id rather not have each ride day cost 50 dollars in fuel for the bike. Expensive enough as it is.
thats for friggen sure. i have to run race gas in my 1980 yz250 but i do it on the cheap with 75% shell 91 octane e85 and 25% vp street blaze, and it is way faster than i will ever be able to ride it so i don't need any more power from $15.00 a gallon "race fuel".

.

1
Falcon
Posts
8856
Joined
11/16/2011
Location
Menifee, CA US
1/24/2019 9:16am
x4 on Varner. I had an unreal '01 YZ125 from him... the fastest one I ever rode.
1
1/24/2019 9:16am
I have an RM250 with Varner motor work and I run it on AvGas with no detonation issues. AvGas is around $5.25/gallon right now so not breaking the bank.
2
captmoto
Posts
4619
Joined
4/22/2009
Location
Rancho Cucamonga, CA US
1/24/2019 7:13pm
I have an RM250 with Varner motor work and I run it on AvGas with no detonation issues. AvGas is around $5.25/gallon right now so not...
I have an RM250 with Varner motor work and I run it on AvGas with no detonation issues. AvGas is around $5.25/gallon right now so not breaking the bank.
That must be the only thing Az sucks at compared to California. I paid $3.90 last week.
mxracer71
Posts
264
Joined
7/1/2017
Location
Queen Creek, AZ US
1/24/2019 7:40pm
I have an RM250 with Varner motor work and I run it on AvGas with no detonation issues. AvGas is around $5.25/gallon right now so not...
I have an RM250 with Varner motor work and I run it on AvGas with no detonation issues. AvGas is around $5.25/gallon right now so not breaking the bank.
captmoto wrote:
That must be the only thing Az sucks at compared to California. I paid $3.90 last week.
california is turning into a shithole real fast..... Im not sure if tom morgan is around anymore but i got to ride a yz144 back in the day at the glen helen 24hr race. Bike lasted 10 hours before we lost the top end. In those 10 hours it was a freakin rocketship!
H4L
Posts
2492
Joined
3/18/2016
Location
CA US
1/25/2019 1:25am
PC or Varner would be my choices out of SoCal.
bdoza10
Posts
33
Joined
5/16/2017
Location
Rialto, CA US
1/25/2019 2:48am
Falcon wrote:
x4 on Varner. I had an unreal '01 YZ125 from him... the fastest one I ever rode.
Can ask on what your cost on that motor was like?
Zeke27G
Posts
1115
Joined
11/8/2011
Location
Ascot Park, CA US
1/25/2019 8:52am

Boyko Racing in Costa Mesa.
loftyair
Posts
2647
Joined
7/3/2009
Location
riverside, CA US
1/25/2019 9:22am
Varner...
1/25/2019 12:43pm
XPR motorsports in Murrieta. Chad the owner is a wonderful guy, he will make a plan for your engine with your buget and even tell you to leave it alone and save your money and ride it. He builds all the race engines for smarttop, bulfrog spa, Honda team. Also numerous privateers and amateurs. He built my 07 RM 250 into what I would call a 350f.
My 2 ¢.
FiendzCC
Posts
315
Joined
9/12/2017
Location
Murrieta, CA US
1/25/2019 1:11pm
China Myron. Huge two stroke guy, very reasonably priced and he has a dyno now. He will make your bike rip. He's located in Lake Elsinore, CA. If you need contact info just let me know.
Rab
Posts
192
Joined
3/16/2015
Location
CA US
1/25/2019 1:26pm
Thanks guys, I’m definitely gonna look into these.

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