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Most fuel efficient 80s early 90s Honda bike?

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spetom
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PostPosted: 21:02 - 24 Sep 2010    Post subject: Most fuel efficient 80s early 90s Honda bike? Reply with quote

I'm thinking about a CBR 250/CBR 400/VFR 400. 1980s-1996 approx.

Essentially I'm looking for a city bike that can also handle the motorway for longer distances, is 80s styled, is a smaller bike, is a 4 stroke and the biggest criteria is low MPG.

Motorway cruise speed can be around 60 mph.

Personally I would love it if I could do this on a 125 as most run on air and are perfect in cities. It is on a motorway that I'm afraid they struggle, I have been enough times with a 125 to know that even a half an hour of riding on the motorway is difficult and every little gust of wind nearly pushes you off into the hard shoulder even at 55mph.

Does anyone have any suggestions? Apparently the CBR 250 burns nearly just as much as the 400s because of it high rev rate? Perhaps this comes down in the city?

I'm leaning towards the CBR 250 as it is quite a small nippy bike which also packs punch.

Either the above or a modern Indian Royal Enfield 500 which I know has good fuel consumption and despite reliability would be able to potter along the motorway.

Any knowledge/advice would be appreciated. Thanks
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Pete.
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PostPosted: 21:22 - 24 Sep 2010    Post subject: Reply with quote

Why limit yourself to a Honda?
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spetom
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PostPosted: 21:34 - 24 Sep 2010    Post subject: Reply with quote

Quote:
Why limit yourself to a Honda?


Er well, I wouldn't mind other bikes (I did mention the Enfield), I just quite like the 80s fairings on the models I mentioned. Sorry I didn't make that very clear. I'm looking to buy 2nd hand with a budget of £600-£1200 (the lower the better obviously).
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tsmith
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PostPosted: 21:48 - 24 Sep 2010    Post subject: Reply with quote

i've been getting 91mpg out of my Kawasaki GPZ500S, maybe you might want to consider one of those.
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cb1rocket
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PostPosted: 21:54 - 24 Sep 2010    Post subject: Reply with quote

i once got 80mpg out of a velocette 500m very low state of tune but pulls nicely so good for overtaking - sorry its 1958 lol
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krytenboog
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PostPosted: 22:04 - 24 Sep 2010    Post subject: Reply with quote

Kawasaki gt550, will go forever, high mpg , shaft drive and low insurance. Cant be bettered in my opinion. Although not over fast has a nice power surge at 7000 rpm
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stinkwheel
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PostPosted: 22:23 - 24 Sep 2010    Post subject: Reply with quote

Another vote for a GPZ500s. They return remarkably good mpg if ridden even halfway sensibly.

I would have put it closer to 60mpg mind. It drops off a fair bit if you start hooning but stick within 10mph of the speed limit and it sips fuel.

You should get a tidy example for your price range. Avoid pre '96 ones.

A Royal Enfield is no faster than a 125. Copes better with hills, luggage and headwinds but you're probably looking at a realistic cruising speed of 55-60mph from a 500 bullet. Maybe push that to 65-70 for an EFI model. A standard but well set up 500 bullet with pod air filter and noisy pipe is making about 17bhp at the back wheel.
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c_dug
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PostPosted: 22:41 - 24 Sep 2010    Post subject: Reply with quote

I will 3rd the GPZ500s Thumbs Up

Actually looking for one now as a replacement to my ZZR600 that got written off, it's the only "commuter" I will consider as a replacement.

That said my NTV was completely bullet proof through last winter, and pretty economical too, In fact to be honest it was probably better than the GPZ in almost every way. The only downside was lack of fairing. Still it is a GPZ I am after so I guess that says something.
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hmmmnz
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PostPosted: 22:54 - 24 Sep 2010    Post subject: Re: Most fuel efficient 80s early 90s Honda bike? Reply with quote

[quote="spetom"]I'm thinking about a CBR 250/CBR 400/VFR 400. 1980s-1996 approx.

out of the 3 bikes listed, the cbr400 is the most economical on motorway miles, and the 250 is a bit better round town.
but it revs far too hard to be taken on longer trips,
i was never able to ride the vfr400 nicely enough to get decent mpg results, but it would still be the pic of that bunch
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stinkwheel
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PostPosted: 22:58 - 24 Sep 2010    Post subject: Reply with quote

The CB1 (CB400) is another frugal yet thoroughly well put together machine.

Lack of fairing counts against it though.
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Chalky.
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PostPosted: 23:07 - 24 Sep 2010    Post subject: Reply with quote

Daft but... cg125?

Sounds like what you're after!
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radical
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PostPosted: 23:16 - 24 Sep 2010    Post subject: Reply with quote

Honda bros/hawk 650/400 or the NTV shaft drive 600/650, both bikes are very durable, reliable and give good mpg.
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spetom
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PostPosted: 23:18 - 24 Sep 2010    Post subject: Reply with quote

Quote:
cg125


Owned an old 80s one and a new one, I thought the newer model was worse than the older model, great around town but they don't hold the motorway at all. My current Chinese 125 (an X-Stream BT125-5) does better both in town and on the motorway, really wasn't over the moon with the Honda CG.

Hmmm... I will consider the Kawasaki GPZ 500 and other Kawasaki's mentioned, can it really do 91MPG? Isn't it a modern 500cc engine? Surely it must burn more?

How much on average do the respective Hondas burn (so the CBR 250, 400 and VFR 400) I must say those 80s-early 90s models kind of have me hooked they are really quite beautiful especially the VFR which I am leaning towards in terms of looks.
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radical
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PostPosted: 23:23 - 24 Sep 2010    Post subject: Reply with quote

The only thing I would have against the 4 cylinder bikes is that they are a pain on the motorways due to the high revs, always preferred a lazier twin myself.
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spetom
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PostPosted: 23:23 - 24 Sep 2010    Post subject: Reply with quote

cb1rocket wrote:
i once got 80mpg out of a velocette 500m very low state of tune but pulls nicely so good for overtaking - sorry its 1958 lol


On the contrary if I had the money I would be buying an old 40s triumph or other similar without a thought!
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evoboy
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PostPosted: 23:25 - 24 Sep 2010    Post subject: Reply with quote

Id say the GPZ engine is an older design than both the CBR's meantioned and the VFR...
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stinkwheel
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PostPosted: 23:38 - 24 Sep 2010    Post subject: Reply with quote

evoboy wrote:
Id say the GPZ engine is an older design than both the CBR's meantioned and the VFR...


Based on the EN450 motor which was first sold in the UK in 1985.
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spetom
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PostPosted: 23:42 - 24 Sep 2010    Post subject: Reply with quote

Ok lets say I got a Honda CBR 250 one of the first ones they made that seem the cheapest in the 80s. This seems the most likely option at the moment as I like the way it looks + it is light and fairly small for a bike.

What kind of mpg would I be looking at in town? Would it be able to do a 200 mile journey (with a break) at around 55-60mph? I'm not going to thrash it surely it would suffice?
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Frost
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PostPosted: 23:44 - 24 Sep 2010    Post subject: Reply with quote

Surely the smaller the capacity the more fuel efficient in city riding, and probably motorway too provided the engine isn't revving its tits off (like a 125 would be). So CB250?
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Kickstart
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PostPosted: 23:47 - 24 Sep 2010    Post subject: Reply with quote

Hi

Would doubt you will realistically get ~90mpg from a GPZ500. First one we had would give 65mpg if you kept it below about 7000rpm, the 2nd wasn't quite so good.

However the are good bikes although a bit dated.

Suspect for round town use a CBR250 would be a pain. Cramped, stuff all low down power, a thief magnet and unable to really show the things it is good at (handling and thrash ability).

All the best

Keith
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c_dug
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PostPosted: 23:48 - 24 Sep 2010    Post subject: Reply with quote

You realise there are now two threads telling you the same thing, that the CBR250 is not really the ideal bike for what you want to do.
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spetom
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PostPosted: 23:51 - 24 Sep 2010    Post subject: Reply with quote

DaFrostyOne wrote:
Surely the smaller the capacity the more fuel efficient in city riding, and probably motorway too provided the engine isn't revving its tits off (like a 125 would be). So CB250?


This is exactly what I've been thinking?

I think a lot of people feel I need to somehow push this thing hard. It really just has to be comfortable at 60mph on the motorway in most weather and nippy in town (and look good!).
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Kickstart
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PostPosted: 23:53 - 24 Sep 2010    Post subject: Reply with quote

spetom wrote:
Ok lets say I got a Honda CBR 250 one of the first ones they made that seem the cheapest in the 80s. This seems the most likely option at the moment as I like the way it looks + it is light and fairly small for a bike.


Quick check of the gearing (for the CBR250RR), 60mph is about 8000rpm with a 19500rpm red line. I suspect languishing at those low rpm it is going to be pretty gutless and horrible.

All the best

Keith
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radical
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PostPosted: 23:59 - 24 Sep 2010    Post subject: Reply with quote

spetom wrote:
Ok lets say I got a Honda CBR 250 one of the first ones they made that seem the cheapest in the 80s. This seems the most likely option at the moment as I like the way it looks + it is light and fairly small for a bike.

What kind of mpg would I be looking at in town? Would it be able to do a 200 mile journey (with a break) at around 55-60mph? I'm not going to thrash it surely it would suffice?


The cbr 250 would be the last bike I would chose for town work or the motorway, they are rev boxes with little low down power and on a motorway at 60-70 mph they are revving very hard, a better all round choice imo would be a twin cylinder bike which will have better low down power for easier overtaking and fewer gear changes, on motorways they would be lower revving and easier to live with. The bonus with a twin is easier servicing and generally better mpg, there are loads of twins about that are inside your price range and the 4 cylinder bikes tend to be thrashed and lead a harder life, 400cc/650 cc V twins are available as are parallel twins like the GPZ/ER5 and the Honda cb500s, you cannot go far wrong with a gpz or a v twin honda vt500 or ntv 650.
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spetom
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PostPosted: 00:01 - 25 Sep 2010    Post subject: Reply with quote

Kickstart wrote:


Quick check of the gearing (for the CBR250RR), 60mph is about 8000rpm with a 19500rpm red line. I suspect languishing at those low rpm it is going to be pretty gutless and horrible.


Surely then thats good? I don't mind the languish, if I'm doing 200-250 miles I'm not going to want to bosh the engine anyway?
Quote:

The cbr 250 would be the last bike I would chose for town work or the motorway, they are rev boxes with little low down power and on a motorway at 60-70 mph they are revving very hard, a better all round choice imo would be a twin cylinder bike which will have better low down power for easier overtaking and fewer gear changes, on motorways they would be lower revving and easier to live with. The bonus with a twin is easier servicing and generally better mpg, there are loads of twins about that are inside your price range and the 4 cylinder bikes tend to be thrashed and lead a harder life, 400cc/650 cc V twins are available as are parallel twins like the GPZ/ER5 and the Honda cb500s, you cannot go far wrong with a gpz or a v twin honda vt500 or ntv 650.


Sadly I can see the general concensus is no Crying or Very sad to the CBR 250!


Last edited by spetom on 00:05 - 25 Sep 2010; edited 1 time in total
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