my cb125tdc project

[mattish]

Hey guys,

After a hard days work the bikes looking alot better now. Just got the lower fork legs, chain/sprocs, exhaust and grab rail to swap from the doner bike to the good one and im pretty much done, var a good clean of the carbs and a tune I also have to remove that reflective stuff

current pictures:

https://www.mjleonard.me.uk/pictures/bikes/cb-1.jpg
https://www.mjleonard.me.uk/pictures/bikes/cb-2.jpg


The doner bike, which I will also get roadworthy again at some point:

https://www.mjleonard.me.uk/pictures/bikes/cb-3.jpg

[satans_BIG_helper]

WOHA !!! i had one of them !!! it was a field bike pulled out of a pond it was called the ninja stealth bike cos it left a huge cloud of smoke behind it and you couldnt see it

Looking good tho keep up the good work... i would have another one as a run about as it was good fun n super reliable....


Keep us updated on it

[owdamer]

Oh that brings back memories. I used to have one of those myself. Some bastard robbed it from outside my house tho. I was gutted, I had just had it rebuilt & I had a brand new exhaust for it.
Never saw it again.

[mattish]

Ta for the kind replys, I cant wait to get the micron exhaust on it and some new filters might get all of 14hp then

Also updated the pictures to some in daylight

[veeeffarr]

Any idea if the Micron will fit a 2001 CG?

[mchaggis]

Like your wheels.
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Discovering the delights of Hammerite and a 3/4" brush.

[mattish]

[owdamer]

I doubt you'll get 14bhp out of it. As far as I know CB125TDC's aren't restricted in any way, so you're not exactly de restricting it.
I dont know if micron do a pipe for them, the one I had was a motod 2 into 1. From what I remember it actually reduced the midrange.

How do you go on putting it on its centre stand?? From what I can remember it was a right bugger. I've put loads of bikes onto their centre stands but with the 125 you literally had to lift the bike up & kick the stand into place under it!.

[satans_BIG_helper]

I thought they were 14BHP as standard....

My mate had a CG125 of the same Age and the CB125T Whooped it lol


Im pretty certain from what i was reading a few years back they were 14bhp tho.... maybe my mind is going tho

[owdamer]

From what I remember UK learners were restricted to 125 machine producing 12bhp. I think they had to restrict the 2 strokes as they made more power than that. I do remember racing my mate on his cd125 benly. My 125tdc had a couple more mph, but the benly had better acceleration.

[STONEY!]

i had one of those it was a beast lol cost me £50 ragged it everywhere til it caught on fire whilstriding down camberley highstreet parked up outside the bank and managed to put it out then they called the police and fire brigade etc cos id melted the pavement got it home plugged up the hole in the tank (petrol leaked onto exhaust lots of fire) filled her up and off i went then she started burning a lot of oil so started puttin 2 stroke in her (smokes less when burnt) then she was nicked great bike just kept going had the will to live

[NC30UK]

My brother had one, it was older than yours and it certainly made more than 12bhp! more like 15-16 revving so high it sounded like it might pop!

cool little learner/commuter

[lilredmachine]

learners are 15HP, that is what my MZ kicks out (currently the most powerful 4t 125 learner bike) but I believe there was one twin cylinder 4t 125 honda thingy that kicked out 16HP ages ago.
____________________
Bikes: too many, too much for one man to maintain anyway.

[mattish]

The 14hp thing was sort of a joke Its pretty quick and revs like mad, pretty sure the output on this is around 15hp. I have the 2-1 micron pipe for it on the doner bike so they definately do one

[lilredmachine]

uh huh, all I know is that it gets to 60 a hell of a lot quicker than a CBR 125 and on a dyno puts the same power out at the wheel as the CBR produces at the crank.
____________________
Bikes: too many, too much for one man to maintain anyway.

[mattish]

3 New pictures:

https://www.mjleonard.me.uk/pictures/bikes/cb-6.jpg
https://www.mjleonard.me.uk/pictures/bikes/cb-7.jpg
https://www.mjleonard.me.uk/pictures/bikes/cb-8.jpg

Not much else done other then a small clean of some parts and removal of some of the reflective crap, shes starting to look quite nice now tho

[Robby]

The first CB125s made 16bhp, they were before the 12bhp rule. The ones from during the 12bhp rule made 12 bhp, surprisingly enough.
Then it became the 14.6 bhp rule, which learners seem to see as significant.

[rossidude46]

I still have one of the last of the 16bhp bikes, which i got new in early 1983. the 12 bhp lerner law allowed dealers to preregister the older faster models (CB125t/RD125) by i think end of 1981 and sell them after the new law came into force.

https://us.f1.yahoofs.com/users/d964c63b/02a0/__sr_/8192.jpg?pho2ltDBVj4Y8wD_

it cost £660 and i think the new model was about 800. i decided an extra 5mph top speed was far more important than prolink suspension and lights that actually worked. an extra tooth on the front sprocket gave an extra 5mph top speed but you really had to rev it to get there in lower gears.

had loads of people who see it give me the "hey i had one of those, want to sell it?" but it's going nowhere.

you can still get new CB125 Twins as i have seen some import dealers offering them.