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Small Engine on Motorways

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KingKong
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PostPosted: 15:35 - 03 Sep 2011    Post subject: Small Engine on Motorways Reply with quote

Hey

I am beginning to believe that a 125cc bike would struggle on a motorway journey of 200 miles...I have not tested mine yet, but seeing how it struggles to get to 60 on some more open roads has me believe that it would fail abysmally on the motorway.

Agree?

II) Would the Ninja 250 be good on the motorway - say from London to Nottingham?

Cheers Smile
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Wafer_Thin_Ham
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PostPosted: 15:42 - 03 Sep 2011    Post subject: Reply with quote

Not good, but it would manage. Certainly better than a 125.
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Jayy
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PostPosted: 15:43 - 03 Sep 2011    Post subject: Reply with quote

My brother used to do a 12 mile trip to work every day on the motorway on his SX125 and that would top out at about 80mph but he said it didn't feel safe as there was no power for overtaking etc.

Ninja 250 should have no problem though.
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anthony_r6
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PostPosted: 15:51 - 03 Sep 2011    Post subject: Reply with quote

I did about 60-70 miles on Monday on my NSR125 and had no problems in relation to traffic. I was able to get to an indicated 80 so had some overtaking ability, but I was happy to sit at 70 and go with the flow (of traffic)
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Charlie
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PostPosted: 15:52 - 03 Sep 2011    Post subject: Reply with quote

I used my 250 Hornet on long motorway journeys quite a few times. The physical size of the bike was the worst part. I did worry what the valves must be going through being sat at over 10,000-12,000rmp for 2 hours or so.

My Yamaha xt600 is worse on the motorway than the Hornet, it gets a scary speed wobbly above 70mph.
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Howling TerrorOutOfOffice
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PostPosted: 15:54 - 03 Sep 2011    Post subject: Reply with quote

Taking into consideration that the average lane 3 speeds (when the motorway isn't messing about) is about 80mph i plot my overtakes well in advance and exploit downhills whenever possible. Lots of time in lane 1 & 2.
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Livefast123
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PostPosted: 15:56 - 03 Sep 2011    Post subject: Reply with quote

Comet 250 was absolutly fine on the motorway, rode it up to Northants in the pissing down rain loaded with camping kit, cruised at 80 without issue and still had plenty more to go.
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Sload
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PostPosted: 16:24 - 03 Sep 2011    Post subject: Reply with quote

Having clocked up lots of motorway miles in a car I wouldn't want to use my 125 on the Mway. Sure it can hit 70 but its absolutely gutless at those speeds and it's also full pelt on the engine.

I wouldn't say it was a safe way to travel consistently.
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stinkwheel
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PostPosted: 16:43 - 03 Sep 2011    Post subject: Reply with quote

Riding on motorways on a small bike is no problem at all. It's all down to the confidence of the rider and nothing at all to do with the speed of the bike.

A motorway is a very safe place to have a vehicle that doesn't go all that fast, they are purpose built to take vehicles that are traveling at different speeds. Many HGVs are restricted to 58mph anyway.

Sit in the middle to inside third of the left hand lane and travel at a speed you and your bike feel comfortable with. Everyone else will sort themselves out round about you. You'll then get a surprise when you start overtaking doddering old farts in powder blue nissan micras.

I have done many thousands of motorway miles on various small bikes. Most recently on my enfield that sits at around 55mph. The only problem I have with it is boredom.

If you can't cope with a 125 on a motorway, you have no business riding it on an A-road.
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KingKong
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PostPosted: 16:47 - 03 Sep 2011    Post subject: Reply with quote

Thank you, I appreciate the feedback.

I have read mixed views on the ninja 250 on the motorway - is it good for it?

I am contemplating whether to get a restricted A2 license and get a 250 ninja so that I may ride up to Notts from London on the motorway, as well as carry a passenger when in city roads...

or would this be a massive fail, and I should spend on the DAS and get a CBR/GSXR 600 (because I love fast superbikes) to carry a passenger as well as ride up the motorway?

Much obliged Smile
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KingKong
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PostPosted: 16:50 - 03 Sep 2011    Post subject: Reply with quote

stinkwheel wrote:
If you can't cope with a 125 on a motorway, you have no business riding it on an A-road.


My concern with a 125 on the motorway is:

i) exerting excessive pressure on my engine;
ii) taking forever to get to my destination due to travelling around 60mph;
iii) as a result of 'ii)' - boredom Wink
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lynn
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PostPosted: 16:50 - 03 Sep 2011    Post subject: Reply with quote

I just went down 1 junction on my YBR and hated it, was too windy and couldnt get much speed up was fine downhill got 60 then lol but just managed 40/45 going up the sliproad to join the m'way .
I wouldnt do it again! Shocked
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Sload
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PostPosted: 16:51 - 03 Sep 2011    Post subject: Reply with quote

stinkwheel wrote:
Lots of stuff


You sir are hardcore, would send me loopy having to doddle along in that lane mixing with HGVs that can barely see you and elderly folks who can barely see at all Laughing

You could get a 600 restricted on an A2 and that should be perfectly fine on a motorway.

I'll elaborate on my original. I ride a Veradero that's as big as a 600, doesn't have any trouble with side winds and can sit at just under 70 on anything not excessively steep. I would hate to take it on the Mway, especially for 200 miles Very Happy


Last edited by Sload on 16:54 - 03 Sep 2011; edited 1 time in total
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KingKong
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PostPosted: 16:52 - 03 Sep 2011    Post subject: Reply with quote

lynn wrote:
I just went down 1 junction on my YBR and hated it, was too windy and couldnt get much speed up was fine downhill got 60 then lol but just managed 40/45 going up the sliproad to join the m'way .
I wouldnt do it again! Shocked


Tell me about it! I was being blown about like a leaf when riding on a dual carriageway fly-over! I only ever seem to hit 60 when going downhill Embarassed though I'm a novice rider.
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Rogerborg
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PostPosted: 16:53 - 03 Sep 2011    Post subject: Reply with quote

I wouldn't want to do it in any sort of crosswinds.
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KingKong
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PostPosted: 16:55 - 03 Sep 2011    Post subject: Reply with quote

Sload wrote:
You could get a 600 restricted on an A2 and that should be perfectly fine on a motorway.


Yeah, how do they perform when restricted, in terms of top speed and acceleration?

I was talking to someone who claimed to be studying a Masters Degree in motorcycle engineering - he expressed utter disdain for restrictor kits as he argued they are like "choking the engine"...

I have been contemplating the affordable A2, and restricting a CBR600...but not sure how much of a good idea that would be... Confused
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stinkwheel
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PostPosted: 17:06 - 03 Sep 2011    Post subject: Reply with quote

KingKong wrote:


I was talking to someone who claimed to be studying a Masters Degree in motorcycle engineering - he expressed utter disdain for restrictor kits as he argued they are like "choking the engine"...


That statement is totally accurate while at the same time being totally inaccurate.

Yes they are choking the engine in that they produce a narrowing of the air inflow tract and this is the strict definition of what a choke is.

In reality. This narrowing has the same effect as not opening the throttle fully. So if riding your bike around without ever taking the throttle past halfway is bad for it, so is a restrictor kit.

Back to motorways. You'll get there faster on a motorway than on any other road even if you're only doing 55mph.

Motorways are no windier than any other road.

HGV drivers, by and large, actually know how to drive and overtake courteously and with plenty of room to spare. It is considered good manners to give them a headlight flash when it's safe to pull back in in front of you because they have trouble gauging how far past you they've gone. You tend not to get people trying to sneak past half in your lane on a motorway.

It is boring though.

All the really bad drivers are too busy hogging lane 2 to bother you on a 125.
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Sload
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PostPosted: 17:06 - 03 Sep 2011    Post subject: Reply with quote

I cant say I have actually studied them or had any experience but I am from an engineering background. My guess is they basically limit the power output of the bike (think it is approximately 30bhp?). So the bike will just act like a bike with that power level. Should shift well enough, better then a modern 125 and top 100 giving a good flexible range for motorway travel as well as more stability. Plus once your restriction is done, pop it off and voilà, full power.

I'll be going DAS myself but its something I would consider if I was a touch younger.
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KingKong
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PostPosted: 17:30 - 03 Sep 2011    Post subject: Reply with quote

Sload wrote:
I'll be going DAS myself but its something I would consider if I was a touch younger.


You see, I am 29 and will be 30 in a matter of a few months...The A2 appeals to me because it's:

I) Cheaper ( I have found a good price off my CBT Instructor); and
II) I could do it on my bike, which means I am very familiar with its handling and response...so I may have a better chance on the Mod 1 with it than a 500cc bike I have not had much practice on...

[the lack of] money is a beeyatch...
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KingKong
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PostPosted: 17:36 - 03 Sep 2011    Post subject: Reply with quote

stinkwheel wrote:
This narrowing has the same effect as not opening the throttle fully. So if riding your bike around without ever taking the throttle past halfway is bad for it, so is a restrictor kit
Thumbs Up

Would this 'half throttle' effect negate acceleration power too?
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Muscle Bike Rider
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PostPosted: 17:46 - 03 Sep 2011    Post subject: Reply with quote

I did London to Middlesbrough on my Varadero 125 which is 270 miles, bike coped with it fine but it took planning for overtakes etc. Sat at 65mph with the ocasional 70-75mph when circumstance allowed, wouldn't want to do it again after doing the same journey on a 600 which made it easier and more comfortable.
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Livefast123
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PostPosted: 17:58 - 03 Sep 2011    Post subject: Reply with quote

Having travelled many motorway miles on both the Comet 250 and a full power NSR I can say that it's probably the safest enviroment to ride a slowish motorcycle. All the traffic is going the same way and you don't seem to get cagers trying stupid overtakes. Never had a problem with HGV's, wear a high vis and you'll be fine. The only thing you'll have to watch for is side winds, which on a light bike are a danger.

Why are you only considering the Ninja 250, The Hyosung GT250R and GT 250 Comet can be had much cheaper seconhand and having ridden both I prefered the Hyo, then bought one. 250 copes with the motorway easily and you'll be the one overtaking plus I was getting around 80 Mpg.

The 250 is a dead engine size so I wouldn't bother spending too much on one but that does mean that you can pick them up cheap. I pais £600 for mine on an 06 plate and sold it for £750 Very Happy

GT250R
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KingKong
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PostPosted: 18:07 - 03 Sep 2011    Post subject: Reply with quote

Livefast123 wrote:
Why are you only considering the Ninja 250, The Hyosung GT250R and GT 250 Comet can be had much cheaper seconhand and having ridden both I prefered the Hyo, then bought one. 250 copes with the motorway easily and you'll be the one overtaking plus I was getting around 80 Mpg.

The 250 is a dead engine size so I wouldn't bother spending too much on one but that does mean that you can pick them up cheap. I pais £600 for mine on an 06 plate and sold it for £750 Very Happy

GT250R


Ninja apparently has more bhp and top speed than the gtr...although, I am beginning to discard 250cc for either a restricted 600, or a DAS licence 600cc unrestricted. However, for the time being, I have a 125cc and will do for a while after passing my licence, so wondered whether I could visit Nottingham with it Smile

Thank you for the very helpful feedback.
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craigs23
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PostPosted: 18:47 - 03 Sep 2011    Post subject: Reply with quote

I'd be dubious about riding a 125 on a motorway personally, but something like a Ninja 250 should be fine.

Mine used to pull around 7,000rpm at 60mph or so, so would cruise quite comfortably at 8/9,000 (70/80pmh). Redline was at 12, so well within a 'comfort zone'.
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