2-stroke mixture

hey all,

what ratio and oil are the 2-stroke guys on here running?

hey all,

what ratio and oil are the 2-stroke guys on here running?

I am running the Motul 800 off road that came with the bike. Mine seems to like 3 oz per gallon, easy to mix. 42:1 and with the stock jetting and the Q exhaust at around 600 - 800 ft and temps in the 50s to 60s Fahrenheit it is spot on with a 1/2 turn on the air screw with minimal spooge.

I have always run 50:1 with any synthetic oil

Thanks gents.

I have always run 50:1 with any synthetic oil

That is what I would be running also, but with the Q pipe I was slightly rich off the bottom even with an air screw adjustment so I figured I would try leaning the fuel a tad bit and it was close to perfect. I have a feeling that when it gets hotter I will have to get a smaller pilot and drop the needle or run a high quality inexpensive semi synth like Lucas at 32:1. I know the mantra, don't correct jetting with your mixture, but over the years it is what a lot of us have done. It takes a lot less time and hassle to add more oil in the afternoon that carry and switch out jets.

The richer the mix the leaner the fuel, if you run a 32:1 mix the bike will run leaner and you will get lots of spooge, the oil doesn't burn as a fuel but takes the place of it

I am running the Motul 800 off road that came with the bike. Mine seems to like 3 oz per gallon, easy to mix. 42:1 and with the stock jetting and the Q exhaust at around 600 - 800 ft and temps in the 50s to 60s Fahrenheit it is spot on with a 1/2 turn on the air screw with minimal spooge.

Read your manual.

Recommended ratio is 1.6% and its enough unless you want to produce more smoke.

You may go up to 2%, Tired with mine when new but didn't like it (more smoke, more time to 'clear' its throat from cold).

BTW, std pilot jet is 35.

Read your manual.

Recommended ratio is 1.6% and its enough unless you want to produce more smoke.

You may go up to 2%, Tired with mine when new but didn't like it (more smoke, more time to 'clear' its throat from cold).

BTW, std pilot jet is 35.

2% is 50:1, 1.6% would be a richer mix, for trail riding I would say 50:1 is fine unless there are wide open sections where you have the RPM's higher.

When I would go to the faster areas I would mix at 40:1, but never had any issues at 50:1.

Dirtbird, your bike would smoke more at 2% than at 1.6%? OR is that is just the way I read it.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now

  • Similar Content

    • By pat22043
      I just picked up my 2018 Beta Evo 200. The dealer included a few things in the box, such as the owners manual CD, a liter of premix oil, the rest of a liter of tranny oil, and a horn and a speedometer.
      Why in the world do they included the horn and speedo? The horn looks to be barely worthy of a kid's toy car, and the speedo might work on a bicycle. Why not skip those two valuable parts and lower the price of the bike by a huge amount, say $5?
      Does anyone have a use for them?
    • By Nkz
      This is my first post so hopefully I have this in the right area.
      So I'm looking to buy a new bike in a few months and can't decide what Beta to buy. I am going between an xtrainer, a 300rr or the 390rs. I know they have slightly different areas that they excel. I am coming from a 1998 xr400 and an xr250. My question is do any of these new bikes I am looking at have good off idle torque, like slow speed tractor torque. Both my xr's could chug along and climb almost anything but they are heavy and getting older. I dabbled in trials for a bit so I really like the low end pull of thoses 2 strokes, but I also have had a few mx bikes that had nothing down low. What are the beta 2 stokes like. Also does the 390 have a pretty low first gear if I go the 4 stroke route. I ride some pretty rough single track in Georgetown ca if anyone is familiar with that. Lots of switch backs and no room to get speed over some of the obstacles. I am more of a technical rider, don't do much high speed stuff so I'm not to worried about the soft suspension of the xtrainer. 
      For backround I am 200 lbs, 6ft, I'm a decent rider but don't race or anything. I have had loads of Japanese bikes and I am wanting to try out a European enduro, this would be my first new bike. Hope the post isn't to long. Thanks
    • By Penny610
      Up for sale Ohlins  TTX shock and RXF48mm forks & Brembo front brake assembly off of a 2015 Beta  250rr. They are from the Boana racing team, sprung for a 175lb rider. This is a great opportunity to grab a very rare Ohlins set up for your Beta! I am a 145lbs, so unfortunately I don't have the money to have them set up for me, I am just looking to get my money back. I was really looking forward to using them, but some times life gets the best of you, lol. Hope they go to a good home, where someone will get use out of them! 
       
      SOLD SOLD SOLD
    • By Jay_112
      Hey all,
      My name is Jay and i'm new to the forum community but not new to the sport. However I have reached my limit with my expertise and am hoping some of you may be of some help. Without further ado...
        I've stuck to a track most my life, I.E. Motocross, arena cross and outdoor national style tracks. I've made the difficult decision to leave to tracks to the young guns and ride more single track and trail riding up in the mountains. So i started by selling me Factory SLM racing 2012 Yz450F, yes i cried when he drove off with her. But i looked to greener pastures with hopes to have a KTM 500exc, Beta 500rr-s or a Husqvarna FE501. However, almost a year later and I still don't have a shiny new dirt magnet in my shop. I'm in the final deliberations and have narrowed it between KTM and BETA, with me leaning towards the BETA. This is where you come in.
      I would like to know the following.
      Is the Beta service intervals as daunting as the KTM's?
      Is the cost of parts between the two noticeable? And are the just as readily available?
      Those that have a 2017 of either bike, How are they holding up? Can I expect this bike to hold up like a 1985 XR250 (An almost impossible feat)?
      What are any major concerns about either bike?
      and finally what made you choose one or the other?
       
      Thank you for your efforts and advice. I appreciate it.
       
       
    • By MotoXRacer_19
      Hi guys, probably a stupid question here, but I figure you can never be too safe. I have some Motorex 15w-50 from my 2010 KTM 250 XC (which I sold) and I was wondering if it would be okay to run in my 2014 KTM 350 XC-F which calls for Motorex 10w-50? What would be the side effects of running a 15w-50 instead of a 10w-50?
      Also, if you have any suggestions of good oil to run, please feel free to recommend it and give your reasons why.
      Thanks guys.
      (Attached is my 350)