Angelo Ponseggi
New member
Hi, I would like to known the diference of capacity between R18B and R18C. The price of the bigest tank. I’m going to south Patagônia. Thanks a lot.
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Fuel capacity tank
- Discussion starter Angelo Ponseggi
- Start date
As far as know, the classic has a 16 litre capacity whilst the B and TC has a 24 litre capacity 
I am not sure of an aftermarket tank you can get for the C.
I am not sure of an aftermarket tank you can get for the C.
@Anibal is correct. There are tank-frame design differences that prevent the larger B/TC tank from being able to be fitted on the R18/Classic models (unless spending $$$ to redesign and fabricate the hard parts).
I’ve ridden my R18C on multiple long distance tours and the smaller petrol capacity dictates it as the #1 logistical consideration especially in more remote areas.
It wasn’t too bad in conditions where I could see close to 200 miles on a tank, but a real pain in the arse where I was looking for a station nearer 120 miles traveled due to several factors, but IMO mostly influenced by
petrol blends mandated in certain regions.
There are additional differences between the Classic and B/TC models options to consider. I bought my Classic for the very subjective reason of how I loved the look since the original photographs were "leaked" to the public, but objectively the luggage and fairing of the B/TC offer more practical benefits for extended travel and the front suspension while using the same "forks" has a beneficial geometry as to handling (quicker turn in = less "cruiser-ish"), and the rear shock offers longer travel with electronic adjustment.
The Classic is lighter, I love her looks and I only needed to change to the optional BMW "Weekender" seat to allow for weeks of back to back 400-600 mile days traveled in comfort. The Classic's saddlebags and windshield are more than sufficient for me (YRMV) and I use a large waterproof duffle bag for most of my luggage needs so fuel capacity was the only real issue to work around.
I have used a variety of containers to carry extra fuel and each has it's benefit(s), but for multiple mounting options, least intrusive and quality-reliability here a couple of examples to ponder.
click links below......
bladder type (disregard "not for petrol", it is CYA
bladder type
"Bullet Proof" in numerous capacities and mounting options
Good luck, sounds like an awesome trip!
I’ve ridden my R18C on multiple long distance tours and the smaller petrol capacity dictates it as the #1 logistical consideration especially in more remote areas.
It wasn’t too bad in conditions where I could see close to 200 miles on a tank, but a real pain in the arse where I was looking for a station nearer 120 miles traveled due to several factors, but IMO mostly influenced by
petrol blends mandated in certain regions.There are additional differences between the Classic and B/TC models options to consider. I bought my Classic for the very subjective reason of how I loved the look since the original photographs were "leaked" to the public, but objectively the luggage and fairing of the B/TC offer more practical benefits for extended travel and the front suspension while using the same "forks" has a beneficial geometry as to handling (quicker turn in = less "cruiser-ish"), and the rear shock offers longer travel with electronic adjustment.
The Classic is lighter, I love her looks and I only needed to change to the optional BMW "Weekender" seat to allow for weeks of back to back 400-600 mile days traveled in comfort. The Classic's saddlebags and windshield are more than sufficient for me (YRMV) and I use a large waterproof duffle bag for most of my luggage needs so fuel capacity was the only real issue to work around.
I have used a variety of containers to carry extra fuel and each has it's benefit(s), but for multiple mounting options, least intrusive and quality-reliability here a couple of examples to ponder.
click links below......
bladder type (disregard "not for petrol", it is CYA
bladder type
"Bullet Proof" in numerous capacities and mounting options
Good luck, sounds like an awesome trip!