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Which cylinder ?
Posted: Thu Feb 15, 2018 8:42 pm
by Castoralloy
Evening all.
Iām after some help here, I have not been into lambretta for long always had bike.
Just got my self a gp 200 and looking to upgrade the engine.
Been doing a lot reading of all the cylinders available on the market,
Which kit should I go for ?
Cast or alloy ?
Please feel free to post your opinions
Thanks
Re: Which cylinder ?
Posted: Thu Feb 15, 2018 8:54 pm
by drunkmunkey6969
For an economical and VFM solution...have your existing cylinder reworked/ported and fit an upgraded exhaust.
Simple, cheap, effective
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Re: Which cylinder ?
Posted: Thu Feb 15, 2018 9:03 pm
by Castoralloy
Thank for your input drunk

Re: Which cylinder ?
Posted: Thu Feb 15, 2018 9:06 pm
by drunkmunkey6969
My drunk input?
I resemble that remark!
š¤Ŗ
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Re: Which cylinder ?
Posted: Thu Feb 15, 2018 9:23 pm
by Castoralloy
Shortened name for you

Re: Which cylinder ?
Posted: Thu Feb 15, 2018 9:29 pm
by mick1
"Dan the Drunk" ? .....Hmmm .... has a nice ring to it....
In general: Cast more likely to seize but road side salvageable when it does Nicasil/ceramic, less likely to seize but more likely to be fatal when it does........
Go Nicasil/Ceramic the Avanti is a good established kit.
What type of riding do you intend doing ? Kitting a Sunday ride-out may be a different kit to a European long-haul tourer. Are you wanting a street racer or a motorway mile muncher.
Give us a clue what your intended use is .
Re: Which cylinder ?
Posted: Thu Feb 15, 2018 9:42 pm
by Castoralloy
Iām looking at doing bit of everything,
Not into Europe just yet

Re: Which cylinder ?
Posted: Thu Feb 15, 2018 9:48 pm
by mick1
What's your budget........upgrading a cylinder can have a knock on effect.....carb', exhaust, crank, clutch, etc
Re: Which cylinder ?
Posted: Thu Feb 15, 2018 10:37 pm
by Castoralloy
I have been told this, I will start will the above first then buy other parts to suit the cylinder kit
Re: Which cylinder ?
Posted: Fri Feb 16, 2018 10:02 am
by ForemanBob
Mick makes a very good point, you need to budget £1000 + to get the engine in a fit state... then consider and exhaust and labour to do the work for you.
Its not a cheap hobby these days...
You need to work out what your budget is, and then you can sort out what you can get for that