Mileage

discussion about the 750 Sport and '89/'90 900SS, which share many mechanicals with the Paso series
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btlofrum

Mileage

Post by btlofrum »

What do people get in terms of mileage? With which octane and with which carbs?

I just got about 32 mpg, with 87 octane [(r+m)/2] and Mikunis--and that was being leisurely this morning. My '92 750SS, which has the same carbs, uses the same gas, but has lower compression pistons, gets in the low 40s with the same riding style.

Thanks.

Ben
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jcslocum
paso grand pooh-bah
Posts: 1714
Joined: Mon Jul 19, 2004 12:00 am
model: 750 Paso
year: 1988
Location: Eastern Shore, MD
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Re: Mileage

Post by jcslocum »

You'll have to pull a plug and look at the color. I guess the carbs need some fiddling. I may fill my F1 today and will let you know what the mileage is later.
btlofrum

Re: Mileage

Post by btlofrum »

Volunteering, Jon? Probably a good thing to synchronize them, at a minimum, but I'm not getting any unusual vibrations which is usually my first sign that the carbs need tinkering.

The plug in the vertical cylinder is a nice golden brown color, with no wear on the electrode. I didn't feel like yanking the fairing to look at the horizontal cylinder's plug.

Perhaps over the weekend, if I'm so inclined.

Ben
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ducinthebay
paso grand pooh-bah
Posts: 1323
Joined: Sat Sep 03, 2005 12:00 am
model: 750 Sport
year: 1990
Location: SF Bay Area

Re: Mileage

Post by ducinthebay »

I used to get around 25mpg untill I did a bit of jetting on my Dellortos. I now get around 40 in spirited riding.

Cheers,
Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.
289cdo

Re: Mileage

Post by 289cdo »

hi i have been getting approx 30mpg on my 1988 750 sport,thats running art race cans and a k/n filter on a webber carb? the plugs on checking are a light brown colour :)
btlofrum

Re: Mileage

Post by btlofrum »

Thanks for sharing. Sounds like my experience isn't too unusual, but I might be able to fiddle with the carbs and squeeze some more mileage out of them. Naturally, no time at the present to experiment, but hopefully in the coming weeks.

Thanks.

Ben
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RADDUCK
Posts: 51
Joined: Sat Jul 07, 2007 12:00 am
model: 750 Paso
year: 1987
Location: San Francisco, CA
Contact:

Re: Mileage

Post by RADDUCK »

32 was my worst 43 my best. Running unsynched Mikuni's. Jon said mig welding tips may screw into the intake manifolds for attaching a balancer. Anyone have any other suggestions as to where to find nipples that will screw into the intake manifolds?
RADDUCK

02 Honda RC51 SP2
87 Paso 750 - Dropped but ride-able
03 Triumph Bonneville - Basket case (resto in the works)
88 Porsche 911 Carrera
04 Subaru STI
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