1981 CB650z new engine. What will fit?

If it's broken or just needs tweaked

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boiev
Posts: 2
Joined: Tue Jun 27, 2017 10:10 am

1981 CB650z new engine. What will fit?

Postby boiev » Sun Jul 02, 2017 8:03 am

Hello, guys!
My cb650's engine is dead: camshaft had no oil because part of thread get into right oil can and camshaft was scratched. Also top and bottom aluminium parts has been damaget. In Ukraine no parts for so old engine. American parts is expensive and has no reason because its years.

My question: what new engine will fit to my cb650s frame? My mechanic advises me to find a new 90-2000s complete engine because its not so old. can you help me please?

cb650
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Joined: Fri Mar 03, 2006 7:20 am
Location: Denver CO USA
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Re: 1981 CB650z new engine. What will fit?

Postby cb650 » Mon Jul 03, 2017 3:57 pm

Any sohc 650 will fit. Biggest diff it the head/carb spacing. What carbs you have? should be cv's but have seen a 81 few Z's with the older style head/carbs. and after almost 40 years dont know what has been done to the bikes. One thing to be aware of also Germany got a lopo version if the 650. Was limited to 50hp by the cam.
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my same post at sohc4
Did you clean the tank out?!?!?!?!

boiev
Posts: 2
Joined: Tue Jun 27, 2017 10:10 am

Re: 1981 CB650z new engine. What will fit?

Postby boiev » Fri Jul 14, 2017 7:25 am

thank you! good news. i found that my cam and head can be refurbished and restored. theres no question more.


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