Why only 50mph ?

[Jadc]

Hello guys

as you most probably know ive got a HONDA XR 125 L

my bike struggles to get 50mph very rare it get 55mph.

ive heard people get 60mph out of there honda's n e ideas?

Why

[hmmmnz]

mabee your due an oil change, mabee your too heavt
mabee the wind,
the xr125s are fairly slow
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[willi]

it could be your gearing?? but lets face it dude its a 125, wat you expect??
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[stinkwheel]

Maybe you aren't reving it right up to the redline in fourth before you change into fifth.
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[Jadc]

cheeky bastard ....im 12 stone ! lol

and i jus changed the oil yesterday so.... hpefully it be differ lol

[Rookie]

It could be that some people with slow 125s are particularly ambitious about their top speeds.

[Jadc]

I want to get a bigger bike...but its just getting the money for A2 test which is bout 500-600 quid and also getting another bike...can i get good enough 250cc or 400cc for £1500-2000?

[hmmmnz]

you'll get a gs500 for about 300quid
even if a gs has high milage she'll keep going,
no point in spending big money on a bike till you get your full licence,
you should get enough selling your xr to do your test and buy a cheap gs.

just my opinion, of course, but i have a gs as a commmuter, and ive spent the last year trying to kill it, and it just wont die,

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the humans are dead
I kick arse for the lord
Wiring Diagrams BIDNIP it bitches

[RS1Banger]

maybe it wants gearing up, is it revved out at 55mph?
a previous owner may have dropped the gearing to go off-roading

also check the condition of your chain and the pressure in your tyres,
the drag from these makes a lot of difference (esp. tyre press.) on a low powered bike


£500 for your A2 test?
it cost me £200 including theory, cbt, practical and a 2 hour lesson

[JonB]

Stinkwheels opinion is probably the most probable. On my GS125 I have to do rev right up to redline in every gear from 3rd to get to 60MPH.
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[LeeR]

I'll agree with JohnB and StinkWheel, my far more experienced mate (5 years a rider) rode my bike with me as pillion on a dual-carriageway and got it up to 62 mph. We each weigh 12.5st so plus gear that's gotta be getting on for 30st, he did say he really had to "use" each gear to it's maximum and maybe that's how he did it. 4 months later I just got mine up to 62 mph with only me on it on the way back to the dealers to trade it in, and in my opinion I felt like I was raggin' it! Abuse it...
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[SoND]

When was the air filter last changed? Made a big difference on my GS125.

You really need to rag the fuck out of it to get it to 60. Don't be afraid to abuse it, it's what a 125 is for
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[pa_broon74]

I have a honda CLR 125. On level ground with no wind it'll sit between 60 and 65mph. Bit of down hill & tail wind add 5mph, the opposite then subtract 10mph.

It can be disappointing, but as has been said; you need to give some welly in the lower gears. 5th gear is like overdrive, no increase in speed there, just a gear to stick it in to stop the engine from exploding.

Try accelerating through 1st - 4th until your at the absolute max you think your going to get, then stick it in fifth.

I'm a svelte 13 stone, heh.

[c-m]

I can only get about 60 maybe 65 downhill with no wind out of my two stroke kh125. In fact the other day on a slight incline i could't get more than 45MPH, which wasn't nice at all on a NSL road.
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[The Tot]

Rev it all the way out in 4th. 5th is merely an overdrive. Even on the motorways, i used 4th gear because 5th was simply too overgeared and would just wallow under the gas. It's not as if the engine will get damaged redlining it, it's what the rev limiter was there to do! Indicated 65 is dooable everytime on standard gearing.

More or less what pa_broon said. You need to thrash the bugger!
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[Jadc]

My bikes done 4800 miles and when im checking the chain what should i be looking out for? and the air filter is located under the seat of the my honda and thats cleany weany.

i get into to 4th gear its doing 50mph and jus about doing 53mph... which is gay lol

from 1st gear ....to 20mph ...then 2nd gear to bout 30mph then 3 gear 40mph then 4th 50mph....

still gay

[eddclarke]

[Biker100]

my mates got a standard xr, he got 73mph on the way to brid. we were side by side and it sounded like it was going to blow up, but he managed it. just stay in those gears longer!

[RS1Banger]

[St0rmer66]

RS1Banger, sticking the tyres at 40psi would probably make them explode. The standard PSI for an XR125 is 23psi back AND front. Also it doesn't have a rev counter.

You seriously need to rev this bike to get it to go anywhere. 3rd gear rev it until it gets to 43-ish mph and then 4th gear you need to get it to 55mph before you go up into 5th for 60mph (and it will be SLOW to get there). You will not get continuous speed gains just by getting it to a certain amount of revs, you will have to hold it at the revs for a while to get the speeds I said THEN change. It is a slow bike, don't expect miracles!
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[moto_psycho]

XR = dirt bike

dirt bike = low gear ratio

low gear ratio = slow / wheelies


bigger front sprocket or new bike
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[teabag]

I've got an 06 XR125L with 1500 miles on the clock. I weigh 11 stone and am 5' 11" (the taller you are / more upright you sit the slower it goes). Mine will do an indicated 65 on the level in neutral wind on stock gearing. I think the speedo is fairly accurate because at this speed I can pull away from HGVs. At this speed the bike is not at the rev limit but is right on peak power. Therefore, raising the gearing won't help much if it is stock. A long with all the other suggestions, make sure the valve clearences are OK and that the oil is the right viscosity.

[Spoon261]