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I have a rocketa 250 that is water cooled and is a pushrods engine. I need a head for it. How do I tell if it is a loncin or zongshen or what motor is on this? I have fou d heads for what they call a cg motor, watercooled, but my head has four water jackets and these have two or six none I have fou f has four. I think it is a 05 model. It has manual clutch, and a 5 speed I think may just be 4. There is a casting mark on the head that is a diamond and on the inside is the letters ZT.
You should join us on Chinariders.net, too. Most of us are N. American based whereas this site is international in scope, with many members actually living in China. But this site is good, too, so definitely check in with both like I do.
Generally, if you look all over the engine, there is an indicator as to who manufactures the engine in numbers; you would see the letters 'ZS' for Zongshen, but I would have no idea what it would be for Loncin or even, possibly, Lifan (perhaps LF). Back in '05, the bike might have even been manufactured by Shineray, as they were the OEM for many of Roketa's two-wheelers when Roketa was an actual brand.
If anyone can make an educated guess, member 'Humanbeing' would be the one and he is active both here on mychinamoto and chinariders.
do I have to use a head with four jackets or can I get one with say 6 water jackets and make sure to get the gasket for that head too?