I made a video today

You seem to not be able to top 30MPH,,,,try Sunoco race gas,,,mix half Sunoco Maximal 116 with premium from the pump.

That's the last thing a 6:1 compression engine needs is race gas. I don't understand why so many of you guys think higher octane is the answer. All higher octane is good for is to stop detonation.
Ever since I installed this new engine I haven't been able to get it running right. It sounds like its miss firing all the time. It only seems to be running right when the engine is under a load, or at WOT. Then it still starts missing at higher speeds. Maybe its a spark issue.
 
That's the last thing a 6:1 compression engine needs is race gas. I don't understand why so many of you guys think higher octane is the answer. All higher octane is good for is to stop detonation.

Yes - at least for my Robin 35cc that's the truth
when I first started riding my MB I asked the manufac
which octane to use
their reply was
regular OF COURSE !!!

makes it best when we ride that thing Mountainman
 
Yes - at least for my Robin 35cc that's the truth
when I first started riding my MB I asked the manufac
which octane to use
their reply was
regular OF COURSE !!!

makes it best when we ride that thing Mountainman

Mine is a Robin-Subaru EHO35 also....

You don't run straight Race Gas because the ignition point is higher than regular gas,,,mix it 50/50 and you'll get smooth running and easy starts.

I easily top 30 MPH with a 1 inch roller,,and I'm over 200 pounds.

And I can run nearly 30 mph against a steady head wind.

Use Lucas synthetics 5w-20 in the crank case and it will keep cool and clean.

Sometimes I see another guy with my same engine and I easily pass him because he follows the manufactures suggestions and uses the low quality, regular gas from the pump and 30 weight oil...his engine smokes and burns oil and can not get above 27 MPH.

Now since he's been using the cheap oil and lousy gas for so long,,,he can not use clean synthetic oil in his crank case because of the carbon build up on the head,,,,,the spark plug would fowl because the synthetic oil will dissolve the carbon build up.

Scan my thread for some useful tech tips,,on oil, gas, tires, fuel tank, lights, fenders...and some good YouTube vid links to help you work on your engine............G61

http://www.motoredbikes.com/showthread.php?p=123907#post123907
 

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Yes - at least for my Robin 35cc that's the truth
when I first started riding my MB I asked the manufac
which octane to use
their reply was
regular OF COURSE !!!

makes it best when we ride that thing Mountainman

The race gas makes the engine scream,
But I'll tell you what I like to use in small engines when I can't afford race gas...
Standard-Chevron supreme with Lucas Octane Boost,,,makes it run strong and you get more torque.
 

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I just don't understand -- my top speed Robin

Mine is a Robin-Subaru EHO35 also....

I easily top 30 MPH with a 1 inch roller,,and I'm over 200 pounds.

And I can run nearly 30 mph against a steady head wind.

http://www.motoredbikes.com/showthread.php?p=123907#post123907

I haven't measured it but when my Robin friction was ordered
Dave said that he thought the 1" roller would work best for me
I weight 195 lbs

my MB tops out on the level at 22.5 tested many times and that's it

even if I could go faster the governor kicks in at around 24 to 26 mph

what's up here -- did you remove your governor ?

WHAT THE HECK'S GOING ON WHEN I RIDE THAT THING ?????
 
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