Swapping cg125 engine

[MediumBen]

I posted on here before about my cg125 and was advised I would be best to get a new engine and swap it. I am looking for a new one, but want to be sure I don't get the wrong one. Previously it was suggested I should try and match the year exactly. I wondered if anyone had any advice about how much leeway there is before I start having to do complicated wiring stuff. Mine is an M reg BRA. S 1994/5.

I'd be grateful for any advice about whether it needs to be the same year or if one a year or two out would be OK. I'd also be interested in any ideas of where to get one from other than breakers and Ebay.

thanks in advance.
Ben.

[mudcow007]

im pretty sure they are all the same...try an match as close as you can though

is yours an electric start etc?

[MediumBen]

It's a kick start only.

[unitynotsocri...]

They are not all the same . Although the Brazil 12 volt models look identical to early 6 volt ones .....and the zillions of China models....except electric start , there's lots of differences .
The lighting coils/ignition /cdi vary so changing for a later engine usually requires you to change the wiring loom.....and....switchgear ( unless you are an ocd electrician who's unemployed) .
Its also not so simple as to graft your present electrics/generator/lighting/ignition coils onto a China or later engine .

To be safe ( er) , stick to standard or get a donor bike . For the time and hassle it may be worth rebuilding the engine with new g box and crank bearings.

BE CAREFULL......CHINA ENGINES ARE NOT COMPATIBLE ,except for sidecasings and rocker covers.
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nearly a normal tax paying tosser.......with ferrileness suzi100,cg125,cb125scb100n,cb175,cd100,cj250t,kh250,c15,125 bantam,super 6,rickman gs750,xt500,250rs,dt175,lifan125,dolomite1850,metro,Morris220ld,morrisfg,leyland princess,range rover,corsa,vw camper .now struggling with legs. MORE ORDER = MORE CHAOS