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2001 CG125W - 60mph (Indicated) Top Speed?

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veeeffarr
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PostPosted: 02:15 - 27 Apr 2006    Post subject: 2001 CG125W - 60mph (Indicated) Top Speed? Reply with quote
Hi,

Getting bored of writing these threads myself.

Had a little test run tonight.

Got on the A562, nice straight piece of road, slightly down hill, and utterly pinned the throttle.

The most I am getting is 60mph indicated. Which is about 54mph?

I know my bike is slow, but not *that* slow? I would've expected about 68ish true speed downhill?

I was lying totally flat on the tank, practially kissing the clocks, with elbows tucked in as well, still didn't go over 60.

Anyone got an idea of some quick checks I can do to find out where the restriction is coming from? (IE Air filter, Coked exhaust).

Final drive seems ok, its at the correct slack and lubed.
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colin1
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PostPosted: 02:23 - 27 Apr 2006    Post subject: Reply with quote
54 will be ok for the motorway
I would have thought 60 might be possible but i guess not on yours. Maybe you are just blessed with a speedo that is accurate rather than over reading.
I doubt there is anything wrong with it, they just arent designed to go fast

i doubt that there will be any products you can buy which will change the situation

if you ever feel that it is vital that you are able to go faster, you can sell your cg and purchase an rs125 or an nsr125 but they will cost quite a bit more to run
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veeeffarr
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PostPosted: 02:28 - 27 Apr 2006    Post subject: Reply with quote
Never fancied the idea of a 125 sports bike.

It's like having a bulging veiny cock, but it only being 2 inches.
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colin1
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PostPosted: 04:48 - 27 Apr 2006    Post subject: Reply with quote
nothing wrong with an rs125, it is certainly more flickable than most sports 600s

there is a thing in RIDE at the moment that says most ppl with sportsbikes only use about 30bhp of their 100bhp most of the time anyway

my mate matt has no problem keeping up with me on his rs125 when im riding fairly normally on my 600

rs125 may not keep up with someone thrashing a 600 but they are fine for following at normal pace

i admit i probably ride slower than a lot of people on 600's

if you didnt want a race rep, you could get a dt125

nothing wrong with the cg125 for in town, and it will be ok for the motorway, just wont be as fast as the cars

i think learners should have the choice of either a 250cc 4 stroke or a 125cc 2 stroke
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Last edited by colin1 on 01:43 - 28 Apr 2006; edited 1 time in total
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veeeffarr
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PostPosted: 12:21 - 27 Apr 2006    Post subject: Reply with quote
Hi,

Colin, thanks for the input, however, the problem I'm highlight is that my bike has lost about 10mph off of its top speed, not that the bike is generally too slow.

Thanks Smile

Toby
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Davo
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PostPosted: 12:55 - 27 Apr 2006    Post subject: Reply with quote
Toby

Have you done anything to the bike? Has it been serviced? Have you changed what your wearing (I lose about 10mph when I'm wearing textiles instead of leathers).

Might be worth getting it on the dyno see what comes back.
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veeeffarr
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PostPosted: 12:58 - 27 Apr 2006    Post subject: Reply with quote
Davo wrote:
Toby

Have you done anything to the bike? Has it been serviced? Have you changed what your wearing (I lose about 10mph when I'm wearing textiles instead of leathers).

Might be worth getting it on the dyno see what comes back.


Shocked Really?

Yeah I wear textiles, and carry a backpack, although even without the backpack it's still the same.

Havent done anything to the bike.

Cleaned airfilter about 3000 miles again, changed oil about 500 miles ago.
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veeeffarr
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PostPosted: 16:07 - 27 Apr 2006    Post subject: Reply with quote
Bump Crying or Very sad
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Mr.Everready
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PostPosted: 16:13 - 27 Apr 2006    Post subject: Reply with quote
Quote:
I was lying totally flat on the tank, practially kissing the clocks, with elbows tucked in


The next time you do that can you get someone to film you ? Wink
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Mr.Everready
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PostPosted: 16:14 - 27 Apr 2006    Post subject: Reply with quote
Anyway.........Whats the most you've seen on the clock while riding along a flat bit of road ?
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veeeffarr
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PostPosted: 16:16 - 27 Apr 2006    Post subject: Reply with quote
It did look funny as fuck I imaigne, I'll admit, but it was at 12.30 in the morning and there were no cars on the road so I thought it's an ideal time to test it.

Erm... I think I've seen over 70 out of it before, but it was such a long time ago.

Valve clearances and Cleaning the carb spring to mind, but these jobs scare me. Rolling Eyes
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map
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PostPosted: 16:19 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:
...the problem I'm highlight is that my bike has lost about 10mph off of its top speed...

Is the bike heavier? Was it you who ate all the pies then?

Seriously, with anything bike related, before checking anything mechanical, first check the state of the tyres and the pressure. You'd be surprised at the difference it can make.

If they're ok go onto mechanical bits. Not much can go wrong on a CG so have a good look over it. Maybe check out the carb as possibly a fuel restriction. What's the state of the plug like? Could the brakes be binding? (spin the wheels). As you said you could check the air filter but it's so basic on a CG even if the sponge is full of muck I doubt it won't make that much difference. I also doubt you'll have coked up the exhaust as it's a 4-stroke.

Hope these thoughts help Thumbs Up
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Last edited by map on 16:21 - 27 Apr 2006; edited 1 time in total
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Itchy
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PostPosted: 16:21 - 27 Apr 2006    Post subject: Reply with quote
actually I was talkingabout something similar with some guys

they said diesels give more HP the more miles you put on them up to a point , while petrol engines lose a few HP every few 1000 miles , why is this? , crap in the cylinders which'd be semi fixed by using optimax?
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map
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PostPosted: 16:24 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:
...Valve clearances and Cleaning the carb spring to mind, but these jobs scare me. Rolling Eyes

If you want to put off these jobs put some petrol additive in for a few weeks and see if it makes a difference. What have you to lose?

Silkolene do FST Pro and should be available at most bike shops. If not the shop should stock an alternative.

HTH Very Happy
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...and the whirlwind is in the thorn trees, it's hard for thee to kick against the pricks...
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Last edited by map on 16:36 - 27 Apr 2006; edited 1 time in total
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veeeffarr
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PostPosted: 16:24 - 27 Apr 2006    Post subject: Reply with quote
Quote:
Is the bike heavier? Was it you who ate all the pies then?


Hmm, I've put on about a stone, think I'm about 12-13 stone and 6'1"

Quote:
Seriously, with anything bike related, before checking anything mechanical, first check the state of the tyres and the presure. You'd be suprised at the difference it can make.


Think this popped into my head earlier when I was thinking about it, you mentioned it before in another thread I think.

Quote:
Maybe check out the carb as possibly a fuel restriction.


Ah, you might be onto something, read the next point.

Quote:
What's the state of the plug like?


White ash deposits (Not much, and the electrode is intact).

Quote:
Could the brakes be binding? (spin the wheels).


Nope but as I spin the back wheel it makes a sort of clunking sound that sounds like it's coming from the chain, like a knock knock knock knock knock sound with the background noise of the chain bending.

Quote:
As you said you could check the air filter but it's so basic on a CG even if the sponge is full of muck I doubt it won't make that much difference.


Hi, I agree, last time I checked there was a bit of dried "snot" on it, and it smelt of petrol, but I don't think there's a problem with it.

Quote:
I also doubt you'll have coked up the exhaust as it's a 4-stroke.


I do give it a big old bastard of a thrasing every so often.

Quote:
Hope these thoughts help Thumbs Up


Thanks, they do. Thumbs Up Karma

Last edited by veeeffarr on 16:27 - 27 Apr 2006; edited 2 times in total
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veeeffarr
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PostPosted: 16:25 - 27 Apr 2006    Post subject: Reply with quote
Itchy wrote:
actually I was talkingabout something similar with some guys

they said diesels give more HP the more miles you put on them up to a point , while petrol engines lose a few HP every few 1000 miles , why is this? , crap in the cylinders which'd be semi fixed by using optimax?


I've been running Optimax for 2 months Smile
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Lawnie
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PostPosted: 16:28 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:


Nope but as I spin the back wheel it makes a sort of clunking sound that sounds like it's coming from the chain, like a knock knock knock knock knock sound with the background noise of the chain bending.
:


Sounds like the chain links are rubbing on the swingarm. It shouldn't happen when you're on the bike, as the suspension dips.
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map
Mr Calendar



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PostPosted: 16:35 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:
...
Quote:
What's the state of the plug like?
White ash deposits (Not much, and the electrode is intact...


There's a chart to check your plug colour if you click this link. You might also want to look here and maybe here.

A chalky appearance can indicate overheating. This can cause a hole to be melted in the piston (yes, I do have that piston Very Happy).

https://www.bikechatforums.com/files/piston_320x240_01.jpg
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...and the whirlwind is in the thorn trees, it's hard for thee to kick against the pricks...
Gibbs, what did Duckie look like when he was younger? Very Happy

Last edited by map on 16:38 - 27 Apr 2006; edited 1 time in total
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veeeffarr
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PostPosted: 16:36 - 27 Apr 2006    Post subject: Reply with quote
Bollocks, how the fuck do I stop overheating on an A/C bike?
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Lawnie
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PostPosted: 16:44 - 27 Apr 2006    Post subject: Reply with quote
Not stopping! Laughing
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Mr Calendar



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PostPosted: 16:47 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:
...how the fuck do I stop overheating on an A/C bike?

It may just mean that your bike is running a bit lean. That means adjusting the fuel/air mixture. Another indication that it's maybe an issue with the carb (as that's where the fuel/air gets mixed) or not enough fuel getting into/out of the carb (lean generally = too much air in the mix).

You can adjust the mixture via the screw on the carb. However, if you aren't sure what you're turning get to know a man who does Thumbs Up
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...and the whirlwind is in the thorn trees, it's hard for thee to kick against the pricks...
Gibbs, what did Duckie look like when he was younger? Very Happy
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veeeffarr
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PostPosted: 16:52 - 27 Apr 2006    Post subject: Reply with quote
Only problem is I know "Men who think they do" Sad

I did take the plug reading after normal riding, about an hour since I got off the bike, would this of affected the reading?

It doesn't look like anything on those pages.
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map
Mr Calendar



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PostPosted: 17:06 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:
...the plug reading after normal riding, about an hour since I got off the bike...It doesn't look like anything on those pages.

Check if there is any damage/wear to the white insulation near the plug gap. If you look on the images this can also be an indication of too hot. The only thing I can suspect apart from a misadjusted carb could be the link 'tween carb and cylinder. Is everything air tight?

The time of removal shouldn't influence this but I always check as soon as stopping as possible (without getting fingers too burnt).

I suspect your bike is probably ok but not operating in its optimum range. You could always post a pic of the plug for everyone else to have an opinion Wink
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...and the whirlwind is in the thorn trees, it's hard for thee to kick against the pricks...
Gibbs, what did Duckie look like when he was younger? Very Happy
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veeeffarr
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PostPosted: 17:11 - 27 Apr 2006    Post subject: Reply with quote
Bugger it.

Any tips on how to set a bike on fire? Wink
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map
Mr Calendar



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PostPosted: 17:32 - 27 Apr 2006    Post subject: Reply with quote
Toby R wrote:
...Any tips on how to set a bike on fire? Wink

Suggest leave it unlocked outside your local McD on a Fridays night for the local chavs. Should find it nicely on fire on some waste ground shortly after that Wink Very Happy

I shouldn't worry too much about the CG. They've a reputation for going on for miles/years while taking a lot of abuse. However, that is for genuine Honda, I would not like to make the same claim for the Chinese copies.
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Gibbs, what did Duckie look like when he was younger? Very Happy
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