2017 Gas Tank on a 2013?

[peterbaron]

Hi All CB1100 riders,
Let's start with 14,6 L tank that my 2013 CB1100A/5 SPEED was equipped with. So I was on my East Canada, 10 days, 80000 km  long trip and while cruising on a hwy at 4500-50000 rpm , I ran out of gas after 286 km..Sunday, 8 am...so I was very po'd being stuck 3 = THREE km away from a gas station.
When came back home, I started looking for a bigger tank. Before that long trip, I tested my bike max range on slower roads (up to 100 km/h) and was able to make 300 km and 320 km distance during second test...  fuel reserve (last bar out of 5) was already flashing for a long time, this is why I got stuck
What really sucks out fuel is RPM, especially on a hwy long distance trip. Fuel gauge has 5 bars, and first bar is still on solid with about 4.5L of gas in tank and starts flashing shortly after.
When in 2016, I inquired Samurider/Takashi (great man!!!!) , he only had 16.5 L for my 2013, and negotiations broke out due to thinking of buying 2017 EX model. By the end of May, I visited Honda dealer and looked at  2017 CB, red, dual exhaust, spoke wheels +++ with 14.6 L tank, I decided not to trade in my 2013 for '17 model, mostly because of its small, 14.6L tank, plus few other small things I didn't like about '17 model.
Got back to Samurider/Takashi and he had even greater news for me...OEM, pearl white, 17 L ( as advertised by Takashi), so I already bought/installed it. So far I know for sure that it holds more than 16.5 L.
With full (5 bars on fuel gauge) 14.6 L tank, I was able to make about 60 km before gas gauge dropped down 1 bar  to 4 ... and so on...BUT with  full 17 L ( 5 bars on gauge), I already made 120 km before gas gauge dropped down 1 bar to 4 . Given all this, my fuel gauge already shows full when about 12-14 L of gas is pumped in a new 17 L tank... and there still is room for few extra liters.
Summarize, I believe = depends on RPM , that I'll be able to make up to 360 kms before refueling if I bring  gas gauge down to the last bar and flashing position for a long time = almost dead empty gas tank and risking running out of fuel.

Just to add few more things..
In January 2014, I bought my bike as a demo with 4500 km from a Honda dealer + Honda Plus extended warranty that ends in March 2019.
After 15000 km,  I ditched OEM Bridgestone Battlax tires (poor handling, bad cornering,  and dangerous during heavy rain....  FRT was nearly bold but REAR still a lot left)  and purchased Michelin Pilot Rd 3 tires,  FRT-120/70 ZR18, REAR-160-60 ZR 18 (awesome tires.. I only use Michelin tires for my bike and 2 cars , including 2 sets of car winter wheels - NO substitute).
I now have 42000 km on my bike and will replace tires and all the brakes in next 2018 season/50+K.
With my driving habits and road conditions, I changed spark plugs and air filter ( all OEM) at 40000 km but these should easy go to 50 K...
I ONLY use Motul 7100, 100% Synthetic Ester - 10W40 MA2 motor oil and regularly replace it with OEM oil filter every 5000 - 60000 km.
So far, I did all my maintenance by myself, except tire replacement. I replaced  OEM = 18T front sprocket with 19T, and I keep my chain slack at 20-25 mm instead of 30 mm as per service manual, I carry NO passenger and nobody else ride my bike.
In winter, I will replace slightly wet rocker cover gasket.
I never took out my bike for a shorter run than 70 km ( after work ride), and  my longest run is 1200 km/day, very often 800-1000 km/daily when going for a long trip with my '07 BMW-1200cc buddy.
I am licensed automotive service technician with 30+ years of experience with the same make.

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Peter
'13 CB1100A, 42 K