Posts
403
Joined
4/21/2019
Location
CA
Edited Date/Time
8/29/2020 2:29pm
Haven't seen one, and have seen a few people talking about it, so let's have it, I want the deeeeets! What brand your running, what type, what ratio, and why. None of this "I run _________ mix because someone told me to". I wanna hear results, and what pistons look like at service intervals, carbon build up, blow by, etc, or do they come out clean, and ready for a fresh ring for another kick at the cat.
Personally, Iv had amazing results with maxima k2, pistons look new when they come out, and zero carbon build up, it's got a good flashpoint for high rpm use, and i mix 36:1 with chevron 94, and I add vp maddative to bump the octane up to around 102-104 octane, and that combo hasn't ever given me any grief, fowled a plug, or let me down, and it totally eliminates pinging. Very good for wide open mx. For trails I had good success with belray h1r, and even In the woods at 40:1, it never loaded up horribly to the point that it would fowl a plug, or make me have to pointlessly cleanout revv the crap out of my bike to clear it out, piston wear was excellent, almost as good as k2, but the tops of the pistons come out black but you can still see the machined grooves just fine, it's like it almost anodized the top of the piston black in appearance. but side skirts are clean as can be, and next to no carbon build up in the engine either.
Iv ran lots of different mixes as I'm always looking for something new to see what's good, and whats bad, and Iv stuck with k2 the most, there are a lot of other mixes out there that are just reeeeaaaaaaalllly bad, and Iv seen consistently bad results on every bike iv ever seen come appart that has run on this mix, has been the same, carbon build up like nothing Iv ever seen before, like take a knife and give the piston a damn haircut and have a small pile of carbon on the table once your done trimming, and talk aboot blowby! Yeeeesh!!! Not gonna say what brand, I'll leave that a mystery, but let's see if any of you know what mix in perticular I'm speaking of, as two of my friend used I use it religiously...... till I tore their top ends down and showed them what's going on inside their engines.
So let's hear your insight, your experiences, and your preferences on brands and ratios,
And please, unless experienced with it, don't make silly comments and keep the hits above the belt, no need to get bent over someone else's prefferences, as to each their own. I only speak of experience Iv had with mix's and for me to discredit anyone else's findings or for anyone else to discredit someone else's findings would be in the wrong here, as different conditions and mixes will create different results. Mainly, I am trying to get this thread to be informational, and to possibly help guide someone towards maybe a better mix for riding style and conditions and type of riding, as all mixes are different in their own ways and have advantages to situations as well as dissadvantages in other areas.
Hope y'all post back real soon!
Personally, Iv had amazing results with maxima k2, pistons look new when they come out, and zero carbon build up, it's got a good flashpoint for high rpm use, and i mix 36:1 with chevron 94, and I add vp maddative to bump the octane up to around 102-104 octane, and that combo hasn't ever given me any grief, fowled a plug, or let me down, and it totally eliminates pinging. Very good for wide open mx. For trails I had good success with belray h1r, and even In the woods at 40:1, it never loaded up horribly to the point that it would fowl a plug, or make me have to pointlessly cleanout revv the crap out of my bike to clear it out, piston wear was excellent, almost as good as k2, but the tops of the pistons come out black but you can still see the machined grooves just fine, it's like it almost anodized the top of the piston black in appearance. but side skirts are clean as can be, and next to no carbon build up in the engine either.
Iv ran lots of different mixes as I'm always looking for something new to see what's good, and whats bad, and Iv stuck with k2 the most, there are a lot of other mixes out there that are just reeeeaaaaaaalllly bad, and Iv seen consistently bad results on every bike iv ever seen come appart that has run on this mix, has been the same, carbon build up like nothing Iv ever seen before, like take a knife and give the piston a damn haircut and have a small pile of carbon on the table once your done trimming, and talk aboot blowby! Yeeeesh!!! Not gonna say what brand, I'll leave that a mystery, but let's see if any of you know what mix in perticular I'm speaking of, as two of my friend used I use it religiously...... till I tore their top ends down and showed them what's going on inside their engines.
So let's hear your insight, your experiences, and your preferences on brands and ratios,
And please, unless experienced with it, don't make silly comments and keep the hits above the belt, no need to get bent over someone else's prefferences, as to each their own. I only speak of experience Iv had with mix's and for me to discredit anyone else's findings or for anyone else to discredit someone else's findings would be in the wrong here, as different conditions and mixes will create different results. Mainly, I am trying to get this thread to be informational, and to possibly help guide someone towards maybe a better mix for riding style and conditions and type of riding, as all mixes are different in their own ways and have advantages to situations as well as dissadvantages in other areas.
Hope y'all post back real soon!
Pistons are replaced at 15-20 hrs. I will say that the 927 does leave a little more carbon build up on top of the piston vs
the K2. Only reason we switched to the 927 is because that was recomended to us from procircuit.
Motor is all stock with Pipe and silencer, the bike is track ridden and or raced every weekend.
Edited to add that we mix 32:1
There is about 30 hours on the same spark plug and it always starts 2-3 kicks cold and 1 kick when warmed up. I have 48 hours on the stock top end so no idea what the top of the piston looks like, but I still have a ton of compression. The plan is to have to cylinder ported somewhere around 50-55 hours so I'll let you know then. When I had the pipe off there is zero carbon build up and the piston skirt looked brand new still.
Alot of the classic MX guys swears at Denicol S2 80:1, however I dare not!
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As well, thanks for chiming in erbody
Iv heard really good things about amsoil, and their background and development is top not too boot, I have tried it, I can't say for the results as I never ran it on a specific top end, I ran it to try it, and just wasn't too happy about how it ran, but we all have a different taste for how we like our bikes to feel and how they wring out. Stoked to see how it the top end looks when it's torn down for a service too
I run Maxima K2 at 32:1, 50/50 VP110 and Premium CA shit gas. Similar results as yours.
Ran Yamalube 2R in the past which was great as well... just a bit more dirty on tear down. Smelled like ass when running though, which is honestly why I switched haha. Stupid reason, but K2 has been fantastic.
I've ran many other premix oils over the years, always in the 32-40:1 range. Never had an issue or anything resembling a lubrication related failure. My worst jetted bike was probably my 1988 KX80 (rich) 20-something years ago, but that thing still didn't foul plugs. Honestly not sure I've ever really fouled a plug now that I think about it.
I don't trust anyone who mentions anything about 80 or 100:1 ratios...
I came across the link above a couple weeks ago. Very informative read. It should be required reading anytime a premix thread is posted.
Here's a bit of a old school mix additive that was developed in Richmond bc in the early 80's and even back when it first came out, it was $40.00 a bottle, and it was less than 500mls. It was called Bi-tron XL2, and it was a bleach treated castor oil additive that works in conjunction with normal premix, add another 10mls of this to a tank, and holy rev machine! First time I tried it, it was nuts, I didn't feel anything at first, then the harder I held on, the more it became apparent just how lubey the engine was, it was like I just did a top end, never ending revhouse is what it felt like, just happier than ever to just take more hamfist, the hotter it got, the better it worked, the company has since been sold off, and trying to track this stuff down is hard now, Iv tried to get ahold of the company in Australia, but no such luck on getting my hands on another bottle of it
After my last bottle of Klotz SuperTechniplate is used up, I will be trying this stuff. I have to say that i have been using Klotz ST for years and have had nothing but good luck. 32:1 with mostly AvGas and sometimes race gas cut with non ethanol pump.
Some mates back in Europe said good things about the Ravenol and I have been using the brake fluid for some time now.
And as well here is a link to bi-tron xl2 explaining what it is a bit more in depth,
http://www.bitron.org/EngineFormula.html
Valvoline
Castrol xr77
Denicol
Motul 710
Motul 800
Motul 800 at 40:1 102 octane for the cr 85 and
Ecomax what is pre mixed at 30:1 105 octane for the cr250.
Both cr's are having vertex pistons changes at 15 hours. Pistons are done at those hours.
No carbon build on top of the pistons or inside. Head inserts are nice and clean.
I pm'd you. did you get my message?
Current Oil- Maxima 927 @ 32:1, VP MRX02. Took a bit of jetting, but runs super well and very clean with no scuffing on piston and no spooge whatsoever. About 5 hours and piston looks like new, and packing was burning with slight trace of oil at the inlet side for a 1/2 inch, then some dry carbon, and then clean. Bike rips.
Old Oil- Bel Ray MC1 @ 50:1, VP MR2 and then U4.4. No spooge, lots of scuffing on pistons, easy to jet and ran ok/good, but a little flat. Used this as I always used it as a kid thinking it was the best, and then wised up and tried other things.
Runner up consideration would be K2 for the bike, but I have had such good results with the 927 I will stick with that.
Maxima K2 @ 50:1 with 50/50 C12 and pump junk for trimmers, weedeaters, chainsaws, and sometimes to flush out the mrx02 out of the bike. The old mrx gets mixed into the lawn stuff to--- a mix and match.... and everything has muffler mods and absolutely screams! LOL!
1) Yamalube R- cheap, spooges more than most.
2) Maxima K2- expensive, bike may have revved a little faster. Main reason I switched away was expense.
3) Maxima Super M- used this the most. Leaves a little spooge out of every bike we've used it on.
4) Maxima 927- least impressive... seemed a tiny bit sluggish compared to K2, def more spooge at enduro pace.
4) Lucas 2-stroke- just started on it. Cheap, burns clean- big difference in spooge at pipe.
I change 125's at 20 h, 150's at 30 h (they see enduros and slower stuff as much as track time), 250's at 40 h (once a year, basically), KDX 200/220 every 2 years (mostly to clean power valves), and none of them have ever shown excessive wear or anything odd. I mix the 125's at 32:1 and everything else at 40:1. I run a little rich, never lean.
I don't think it makes a huge difference, myself. I've been happy with Lucas so far- I can get it at O'Reilly's, it's inexpensive, the color is dark and easy to see, it burns clean, and it gets good reviews on the web.
Being at 6,000' and up, I use non-ethanol 91 octane pump gas.
03kx250 32:1
48 pilot
160mj
JD needle.
Pit Row
Since then I've tried
Honda HP2
Yamaha 2R
Maxima 927 (super spooger for low rpm riding)
Motorex Cross Power
And now I'm running Bel-Ray SI-7 which is the OEM recommended Husqvarna oil and is almost half the price of motorex. I ride desert/enduro and my riding still is keeping the rpms low. The Bel Ray burns real clean even after a day of lugging up hills.
Not enough time to have done a top end. However, it runs cleaner than any 2-stroke oil/fuel mix I’ve tried, yet the insides have a nice oil film (looking up the exhaust port and through the intake on the cases). Almost zero carbon.
In the past, I've run PJ1 Goldfire Pro, Maxima Super M, 927 and K2, and Bel-Ray H1R. The only one I've ever noticed a difference with is the Bel-Ray; man that stuff is clean-burning! I can't find it very easily around here but it is definitely my favorite.
And as for premix's I think that dragonfly table has shown me why I liked Honda hp2 so much, low flash point, with a reaaaally good 100degree cst rating at 17+! Maxima is a bit over 13 at 100degres cat, its opened my eyes a bit more with the technical data, to the point Iv started to source out different mix's but also
Reassured what I have been feeling with different mix's. There wasn't anything on iPone strawberry mix, and I tried it, and did notice it felt slicker on pipe than k2 did, although very similar, the iPone just revved out better once hot, and then I found the data on it, and am gonna be trying a bottle of their stroke 2r, i know, French backwards talk lol, why they couldn't just put things proper, i dunno, but if the French had baseball, there would only be left field and nobody would be safe! (Thanks robin w!) the stats on stroke 2r look promising, but, expensive. Tried to order some
From my ktm dealer, and they said they had to buy a box of 15, at 31 dollars retail, maybe if I try it and it's amazing, but I'll just order a bottle of fortnine to try. Here's the site for the stats on stroke 2r, it seems like it's a pretty good quality mix, and being they are the sponsored premix for an entire racing series with this oil, it must be pretty well tested, as it's being used at such a high level of racing.
Seems quite a few folks are running sled oil. I’ve run it for years in my 600 twin.
https://www.ipone.com/wp-content/uploads/2019/09/FICHE-RACING-SNOW-2-EN…
I used to run Maxima K2 and 927 pretty religiously in my YZ two strokes so open to trying the K2 or Super M injector formulas.
https://www.maximausa.com/product-category/powersports/2-stroke-oil/
Never been a fan of Motorex oils.
If you can, write again, and let us know what your thoughts are on it, good to hear what people think of a product, where do you normally sled? You in east or west coast?
Yeah I am thinking about K2 but not sure I really need it vs Super M or the iPone Racing Snow 2.
My new bike is not going to be living a lot of its life at high revs. I ride more woods than MX now and a lot of slow technical riding. Still like fast flowy GP/GNCC style stuff though.
Lots of guys running the Legend oil in their TPi’s that seem to be super happy but it’s expensive and not really available around me.
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