Are all you 90cc owners getting 70 MPG? - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 39 (permalink) Unread 09-16-2019, 05:01 PM Thread Starter
Powerbike
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Are all you 90cc owners getting 70 MPG?

Someone with a street twin said they have yet to get less than 70 MPG. I find that incredible, and it's got me considering a ST or T100 when i finally get another bike instead of a T120. So do all you ST and T100 owners get 70 MPG regularly, and are the T120 guys getting anywhere near that? I'm retired and not retired well, so money is a huge issue for me and such high MPG would allow me to ride a lot more. My Tbird gets about 38-40 on average and i have to pass on riding near as many days per week as i'd like because of that.
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post #2 of 39 (permalink) Unread 09-16-2019, 05:03 PM
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This is 70mog Imperial, right? Because I donít get more than 50mpg on my ST in the States.


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post #3 of 39 (permalink) Unread 09-16-2019, 07:28 PM
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47mpg on my Speed Twin.

54mpg on my Street Twin.
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post #4 of 39 (permalink) Unread 09-16-2019, 07:51 PM
Production 125
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60.1 mpg average on my 2017 T100. US Gallons.

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post #5 of 39 (permalink) Unread 09-16-2019, 07:55 PM
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I don't know how relevant this is but I'm averaging 65mpg on a 1200 Thruxton R which is a lot lower geared than a t120.
That's good old British gallons, larger than a US gallon and much more expensive.
Think that works out to 54 mpg US.
If it makes you feel any better we are currently paying the equivalent of $5.81 per US gallon.
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post #6 of 39 (permalink) Unread 09-16-2019, 08:31 PM
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I average 64 mpg (US) on my 2016 Street Twin, and 55 mpg with my 2018 T120.

Both bikes are great fun and excellent at what they do. IMO, the street twin is the better bike for shorter trips (say < 100 miles) or time in the twisties. The T120 is the go to bike for longer rides, especially when time on the highway is in the plans.

Both bikes provide almost identical range on a full tank of gas. The street twinís tank is smaller, but itís better mpg combines to provide the same range as the T120ís larger tank w/ lower mpg. In the end, the street twin is cheaper to operate, but only by about $3 per fill-up.

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post #7 of 39 (permalink) Unread 09-16-2019, 08:42 PM
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My 2018 T120 with 2500 miles on it averages 56.9 mpg if you believe the computer. It seems about accurate to me. I have a relatively heavy throttle hand and I would imagine the mpg would be a bit better if I stayed near the speed limit. I try to ride slower but I just love the way it sounds and pulls when I lay into it.
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post #8 of 39 (permalink) Unread 09-16-2019, 08:55 PM
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45-46 mph on my T120 around town, stop and go. It would be much higher if half of my miles was on the highway.
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post #9 of 39 (permalink) Unread 09-16-2019, 10:08 PM
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My street twin mpg according to my bike is 58 for the last few thousand miles. Thats about 50/50 highway and around town. Im also running a K&N filter, Motone x-pipe, and Cone shorty slip ons, but did not see a significant change either way in mpg after making these mods.

Last edited by kilroy173; 09-16-2019 at 10:11 PM.
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post #10 of 39 (permalink) Unread 09-17-2019, 12:16 AM Thread Starter
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Ahhh, ok. Thats probably what it is. Can't remember the thread i saw it in but when the guy said 70 MPG he must have meant UK. I thoght that sounded too good to be true and i guess it was. Oh well. Still they do a heck of a lot better then my 1700.
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