BMW R1200R R1150R/T F800 K1200R R1100R/T R1250R RnineT Message Board

sweatmark wrote:

DAM650 wrote: here is Texico the pumps merely say "may contain up to 10% ethanol"
where you are at do the pumps state ethanol free, or is that found out by researching ?

http://www.pure-gas.org

They have an iPhone app that makes it easier to find non-ethanol gas.

I received a bottle of BMW's branded fuel treatment when I picked up my new S bike last week. Dealer's recommendation was to use same or similar every 3K miles because of ethanol concerns. My S bike will be seasonal, so winterization will include tank fill with pure gas and Stabil. The old Rockster is year-round and suffers the abuse of 10% ethanol, though it seems pragmatic to throw some Seafoam in the tank once in a while.

the rotax has yet to succumb to any issues due to govt interfering with what was a perfectly good product, running regular for 87K, riding all the time.

for sure I am going to make use of that link, and dump some stabil into betty's belly now she is the second woman in the house

Sunbeemer wrote:

I always strive to find the highrest octane (I'm in PA so that is typically 93) to ensure the best performance. I'm hearing that is not the case?

I don't want to hijack this thread, but the gasoline you use in your 1150R should be based on the tuning of your motor, temperature, and altitude. If you notice pinging under hard acceleration you need higher octane. If you ride consistently at high altitudes (6000'+) you need lower octane.

having found that my thumper rotax runs better on the regular, i am going test the mid grade on the boxer. today i fueled with a little b12 and mid grade, noticed no pinging, but certainly more and louder pops during downshifting / engine braking

Hi all.
Here in Western Australia, the `open road' limit is 110 kilometres per hour (68mph).

My 2002 bike (sixth gear overdrive) sits on the limit for hours at about 3600 RPM.
Overtaking semis and road trains? Roll-on acceleration in sixth is pretty damn good, downshifting to fifth is rarely needed.

Never any sign of being coked up, runs very clean. Admittedly, I always run it on 98 octane.
We have 92, 95 and 98 available at the pump, no ethanol (I think).

I am intrigued by all the previous references to running at higher RPM.
It's the low-RPM torque of a BMW boxer that has me hooked on them!

Cheers.

sweatmark wrote:

DAM650 wrote: here is Texico the pumps merely say "may contain up to 10% ethanol"
where you are at do the pumps state ethanol free, or is that found out by researching ?

http://www.pure-gas.org

They have an iPhone app that makes it easier to find non-ethanol gas.

I received a bottle of BMW's branded fuel treatment when I picked up my new S bike last week. Dealer's recommendation was to use same or similar every 3K miles because of ethanol concerns. My S bike will be seasonal, so winterization will include tank fill with pure gas and Stabil. The old Rockster is year-round and suffers the abuse of 10% ethanol, though it seems pragmatic to throw some Seafoam in the tank once in a while.

BMW branded fuel system cleaner is relabeled Techron, and it works. Seafoam, Stabil, Startron (which I use in winter although I ride year-round) are stabilizers. Different function.

i use the berrymans b12 vs seafoam only cos i am cheap as f^ck

BumbleBeemer wrote:Hi all.
Here in Western Australia, the `open road' limit is 110 kilometres per hour (68mph).

My 2002 bike (sixth gear overdrive) sits on the limit for hours at about 3600 RPM.
Overtaking semis and road trains? Roll-on acceleration in sixth is pretty damn good, downshifting to fifth is rarely needed.

Never any sign of being coked up, runs very clean. Admittedly, I always run it on 98 octane.
We have 92, 95 and 98 available at the pump, no ethanol (I think).

I am intrigued by all the previous references to running at higher RPM.
It's the low-RPM torque of a BMW boxer that has me hooked on them!

Cheers.

I BELIEVE the "don't lug the engine" mentality came from the assumption that heavily loaded RT's were losing splines. Half due to the design flaw, half due to the FI "surging"

Lately, I run 91, but I don't thumb my nose at 89. depends on the station. Best fuel economy (50mpg) came from some 89 I got in Michigan.

When its REALLY hot out, I might head to the BP and get 93. My old bike NEEDED that, with 11.5/1 compression. Whereas the oilhead is 10/1 i think?