My cousin spoke with his wallet, properly!

yz133rider
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yz133rider
Edited Date/Time 7/27/2018 9:01pm
18 250sx!

Both of us have always used castor 927 in our 2 strokes and love it. These new fangled ktms call for 60-1 is 927 still a safe choice at those ratios? He asked me and I really dont know.

Not to start another oil question but I don't want to steer him wrong!

We unplugged the white wire and probably going to do a 1/4 turn in on the pv adjuster to Tame it down a touch hes a long time 125/144 rider so the 250s gonna be a step up!
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Mx746
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Mx746 7/26/2018 6:45pm
7/26/2018 6:45pm
I thought ktm moved to 40:1 in 18?
Falcon
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Falcon 7/26/2018 6:46pm
7/26/2018 6:46pm
927 is probably safer than any other oil at extremely thin mix ratios. Let's ask Moto Tribology to confirm but I bet he'll agree that castor works really well for that.
sandman768
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sandman768 7/26/2018 7:39pm
7/26/2018 7:39pm
Excellent choice! 1 tooth less on rear sprocket helps tame the hit also....I used to use 927 until I seen it completely seperate from certain types of gas, it also creates more carbon deposits than the newer synthetic oils. I think 927 is excellent for older air cooled , non powervalved engines. It is my opinion there are far better oils availible today. I use amsoil dominator at 50:1 in my 18 250 sx. 40 hrs, no issues...just my opinion. Tell your cousin to start working out, because that bike is a rocket ship....
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Hcallz5
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Hcallz5 7/26/2018 7:55pm
7/26/2018 7:55pm
You'd be better off with a cleaner burning oil, 927 is overkill especially on a 250.
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DynoDan22
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DynoDan22 7/26/2018 8:10pm
7/26/2018 8:10pm
I was a long time 927 user and K2 as well. I bought a new '18 150 and I bit the bullet and ran Motorex 2T at 40:1 per the manual. At 18hrs I did a top end and the piston was immaculate. The piston basically still measured new and the rings has decent life left. The powervalves were so clean it wasn't necessary to disassemble to clean them. I was very impressed. I thought what the heck and followed the manual's recommendations and I was very surprised.
barnett468
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barnett468 7/26/2018 8:20pm
7/26/2018 8:20pm Edited Date/Time 7/26/2018 8:21pm
motorex or k2 . I wouldn't go richer than 50:1 with ktm's suggested oil or something similar . they put hundreds of hours on these bikes at the recommended ratios during testing.

the higher the sustained rpm, the richer the oil ratio should be.
BAMX
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BAMX 7/26/2018 9:13pm
7/26/2018 9:13pm
Motorex Cross Power 2T at whatever KTM recommends.
user760a
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user760a 7/26/2018 9:18pm
7/26/2018 9:18pm
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen such heavy wear and deposits foul a top end like that. never again
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yz133rider
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yz133rider 7/27/2018 5:49am
7/27/2018 5:49am
user760a wrote:
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen...
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen such heavy wear and deposits foul a top end like that. never again
Ive read stories like this and never experienced anything close to it.

Thanks for the feedback folks!!
kb228
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kb228 7/27/2018 5:52am
7/27/2018 5:52am
user760a wrote:
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen...
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen such heavy wear and deposits foul a top end like that. never again
It wasnt the 927 that caused it bro
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usafwx
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usafwx 7/27/2018 5:53am
7/27/2018 5:53am Edited Date/Time 7/27/2018 5:53am
Congrats! Can tell you some horror stories about that dealership from 2013-16 time frame, they lost my business and I bought 4 bikes during that time period. I've heard they have better management/owners now. Hopefully you got a better deal and not the scummy sales guy that I dealt with a few times.
user760a
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user760a 7/27/2018 7:40am
7/27/2018 7:40am
user760a wrote:
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen...
100 years ago in my two stroke days I ran a whole season on my kx250 with castor 927. I have never before or since seen such heavy wear and deposits foul a top end like that. never again
kb228 wrote:
It wasnt the 927 that caused it bro
Never had seen it before using 927. Never seen it since. I would not put castor in my bike. Lets be honest, most people do it because it smells nice.

my cylinder was beat, I had done the top end three times, each time the piston was well worn with relatively few hours. The rotating drum power valves on the sides were COMPLETELY solid with deposits. In other words the cutout section of the rotating drum was completely filled in with deposits, s as to almost completely negate the effect of the rotating drum side power valves
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ThatOneKid
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ThatOneKid 7/27/2018 7:57am
7/27/2018 7:57am
DynoDan22 wrote:
I was a long time 927 user and K2 as well. I bought a new '18 150 and I bit the bullet and ran Motorex 2T...
I was a long time 927 user and K2 as well. I bought a new '18 150 and I bit the bullet and ran Motorex 2T at 40:1 per the manual. At 18hrs I did a top end and the piston was immaculate. The piston basically still measured new and the rings has decent life left. The powervalves were so clean it wasn't necessary to disassemble to clean them. I was very impressed. I thought what the heck and followed the manual's recommendations and I was very surprised.
Exactly what i'm running in my 17 150 and when I did a top end at 25 hours the piston looked great as well. Looked like it could have gone much longer.
MX915
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MX915 7/27/2018 8:10am
7/27/2018 8:10am
DynoDan22 wrote:
I was a long time 927 user and K2 as well. I bought a new '18 150 and I bit the bullet and ran Motorex 2T...
I was a long time 927 user and K2 as well. I bought a new '18 150 and I bit the bullet and ran Motorex 2T at 40:1 per the manual. At 18hrs I did a top end and the piston was immaculate. The piston basically still measured new and the rings has decent life left. The powervalves were so clean it wasn't necessary to disassemble to clean them. I was very impressed. I thought what the heck and followed the manual's recommendations and I was very surprised.
ThatOneKid wrote:
Exactly what i'm running in my 17 150 and when I did a top end at 25 hours the piston looked great as well. Looked like...
Exactly what i'm running in my 17 150 and when I did a top end at 25 hours the piston looked great as well. Looked like it could have gone much longer.
Not to hijack, but I've been noticing that the motorex seems to burn better in my 150 vs the Bel-Ray I was running before. Noticed this at the last hare scramble race. Bike ran just as good, but way less smoke and no spooge. Haven't opened it up yet as I only have 7 hours on this top end, but I'm hoping it looks like yours when the time comes.
MotoTribology 7/27/2018 8:11am
7/27/2018 8:11am
I'll say this, I am absolutely a bit biased against castor oils. That being said, Maxima does say it's good at any OEM recommended mix ratio but that's a pretty blanket statement.

If you're nervous, start a little heavier on the oil, like 40:1 and check it out after a tank or two. Check the plugs for fouling and keep an eye on the exhaust for excess oil. 927 has a pretty good reputation, but every product has horror stories, so just keep an eye on it.

FlickitFlat
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FlickitFlat 7/27/2018 8:22am
7/27/2018 8:22am
I don't care what the jug of oil or the manufacture of the bike says, I mix 32:1. Always did, always will. I prefer Maxima Super M. I like the smell of 927 but I ride to fast to smell my own exhaust and I hardly ever find myself behind someone. Smile
JBecker 72
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JBecker 72 7/27/2018 8:25am
7/27/2018 8:25am
Since this is now a premix thread, anyone have separation issues running 927 in VP C12 fuel? I always am in the habit of shaking the jug before pouring it in the bike, but it would be nice to know.
bvm111
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bvm111 7/27/2018 8:36am
7/27/2018 8:36am
JBecker 72 wrote:
Since this is now a premix thread, anyone have separation issues running 927 in VP C12 fuel? I always am in the habit of shaking the...
Since this is now a premix thread, anyone have separation issues running 927 in VP C12 fuel? I always am in the habit of shaking the jug before pouring it in the bike, but it would be nice to know.
It can separate even at normal temps in C12 and worse when it gets cold. I always shake vigorously before pouring in the tank, drain at the end of the day and the float bowl. I am so used to shaking my gas I do it out of habit even when I’m riding my 450... that gets a few weird looks I’m the pits! Tongue

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JBecker 72
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JBecker 72 7/27/2018 8:41am
7/27/2018 8:41am
JBecker 72 wrote:
Since this is now a premix thread, anyone have separation issues running 927 in VP C12 fuel? I always am in the habit of shaking the...
Since this is now a premix thread, anyone have separation issues running 927 in VP C12 fuel? I always am in the habit of shaking the jug before pouring it in the bike, but it would be nice to know.
bvm111 wrote:
It can separate even at normal temps in C12 and worse when it gets cold. I always shake vigorously before pouring in the tank, drain at...
It can separate even at normal temps in C12 and worse when it gets cold. I always shake vigorously before pouring in the tank, drain at the end of the day and the float bowl. I am so used to shaking my gas I do it out of habit even when I’m riding my 450... that gets a few weird looks I’m the pits! Tongue
Good to know. Maybe I’ll just start using Formula K2 then.
526
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526 7/27/2018 9:22am
7/27/2018 9:22am
Do Wallet's Talk? Or Listen?
sandman768
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sandman768 7/27/2018 9:29am
7/27/2018 9:29am
526 wrote:
Do Wallet's Talk? Or Listen?
Neither.... They just get light......
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sandman768
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sandman768 7/27/2018 9:30am
7/27/2018 9:30am
If this is your cousins fist KTM, remind him to check the spokes before every ride....
RCMXracing
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RCMXracing 7/27/2018 9:36am
7/27/2018 9:36am
If you search Pulp podcasts Matthes talks to a Maxima engineer. Talks about 2/4T oils. Obv biased towards Maxima brands, but there’s talk about K2 and 927.
I would listen to that before believing the geniuses in here. I think it’s show 336.
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alex69
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alex69 7/27/2018 2:10pm
7/27/2018 2:10pm
Best oil for the KTM 2T or any 2t dirtbike.
Motul factory 800 off road or the Denicol syn 100 both 100% synthetic ester oil the best in business.
Both easily 1to50/60
I prefer myself the Motul is price technical more interesting for me.
The Motul must be available in the US, the Denicol I don't now.
mikec265
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mikec265 7/27/2018 2:32pm
7/27/2018 2:32pm
20 years of Amsoil has been good to my 250s at 40 to 1. I know nothing about these new 60 to 1 oils. Maybe they are thicker and more concentrated.
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seth505
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seth505 7/27/2018 2:40pm
7/27/2018 2:40pm
alex69 wrote:
Best oil for the KTM 2T or any 2t dirtbike. Motul factory 800 off road or the Denicol syn 100 both 100% synthetic ester oil the...
Best oil for the KTM 2T or any 2t dirtbike.
Motul factory 800 off road or the Denicol syn 100 both 100% synthetic ester oil the best in business.
Both easily 1to50/60
I prefer myself the Motul is price technical more interesting for me.
The Motul must be available in the US, the Denicol I don't now.
Huh? Have you tested it vs Amsoil and others?
BR8ES
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BR8ES 7/27/2018 3:01pm
7/27/2018 3:01pm
Since this is now an oil thread, I will say that I use Klutz Super Techniplate. Best of both worlds. Mix the 250 and 125 at 40:1 these days.
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ledger
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ledger 7/27/2018 3:38pm
7/27/2018 3:38pm Edited Date/Time 7/27/2018 4:30pm
Free jug of oil. For sale...$7000.00 with extra's and brand new. I'm thinning the herd.
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BR8ES
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BR8ES 7/27/2018 3:40pm
7/27/2018 3:40pm
Classified ad is back on topic? Anyway, glws.
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MX915
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MX915 7/27/2018 3:50pm
7/27/2018 3:50pm
Without going off in some kind of third direction, just remember you can't dump 40:1 without addressing that it comes from jetted from the factory for 60:1. I think thats where some of the Mikuni gremlins come from.

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