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Griso Fuel Ecomomy

my US 09 G12 8v hits low fuel light around 108-113 miles , and I've gone as far 138miles (25 miles on reserve..guess I should be really careful). When I filled it up it took 4.0 gallons (out of the 4.3 gallon tank) so I had .3 US gallons left if the fuel pickup could pull it that low. That's aggressive 3/4 throttle in stop and go city driving about half the time. Plus it's 110 F degrees and we have oxygenated 10% ethanol 91 octane gas here in Phoenix. We loose about 10% gas mileage during the summer months do to the crappy gas.. I did a road trip from 2k-7k foot elevation at 95 degrees+ with some triple digits and aggressive throttle and got 37.5 mpg. My high was 42mpg riding without a group.

Caveats- But I must confess I love listening to the intake honk of the open airbox and the GuzziTech Right side Exit Exhaust with dBInsert and I'm having way too much fun since my Griso has been unleashed with Todd's Full Meal Deal of ECU reprogram so the PC V can control the fueling below 40% throttle open (which is where all the herky/jerky happens at slow speed 5-15% throttle opening in traffic and parking lots), and Autotune, the CNC airbox Ring and BMC Airfilter, and the right side exit GTXR Exhaust with the dB insert in. The Griso now revs so quickly and pulls so hard it's almost impossible not stretch it's wings.. If your Griso is stock you have no idea what you are missing with your slow reving, congested top end, and worse jerky slow speed partial throttle response. Plus now I can accelerate cleanly from 3k to redline. Anything above 6500 rpm is just crazy strong and you better be ready to shift quickly after doing these mods. My gas mileage will go up considerably I'm sure of it once I settle down and get more than the 2k miles I currently have. Now I can ride around town at 3k (even as low as 2.5k it will pull my 185lbs without jerking) to 5k with plenty of power (the torque is much better now that I'm not running at 16.8-17.2 air to fuel ratio that the autotune demonstrated stock versus the 13.2 ratio it's running at now).

If you can afford (especially with the discounts available) the Griso you can't afford not to let it breath and fuel like it's suppose to. Plus with the heat here in AZ and the ultra lean stock condition below 6k (the autotune added between 22%-50% more fuel in this range) you can't expect the motor to hold up running lean. Before in bone stock form, I would have to keep the bike over 4,400rpm or the throttle response was jerky in traffic and I got the same gas mileage with my stock 068 and with my more aggressive riding with Todd's Full kit. Plus dropping the 20lbs off the bike makes transitioning the bike much quicker.
 
Gotta admit that while the 003 map improved my fuelling a tad and prevented the big bangs from the exhaust (it still pops, but heck thats a big bore for you), it didnt massively improve responses. I always run 98 or 99 RON fuel. I will get the air box ring and a better air filter but I'm unsure on buying a PC V because I really have no idea what I'm doing with that stuff.

What does anger me is that Speedaway Motorcycles didnt check/adjust my TPS even though I specifically asked them to.

In time to come, I am considering getting a dual-side exhaust. That'll be fun :D
 
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