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CBR 1000F "Hurricane" 1987-1996 CBR 1000F

cam and valves

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Old 02-12-2010, 08:45 PM
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Default cam and valves
My bike is a 87 1000f.My cams and valve stems are at there service limits. How long can I get out of them as is? What are my options, if any? I love the ride but a new set of cams and valves are probley more then the bike is worth. I can do the work myself but parts alone will run me around 800 bucks. Any info is good info. Thanks
 
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Old 02-12-2010, 10:00 PM
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might be worth your while to scout around for a motor with lower miles
 
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Old 02-12-2010, 11:16 PM
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What mileage does your bike have - the mark 1 bikes have been known to do 200000 K's before any rebuild.
Just ride the thing
Pick up an engine and use the spares if you are really concerned.
 
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Old 02-13-2010, 05:40 AM
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I think I'll just clean up the valves and put it back together.I love the bike, if it blows Its a good excuse to buy a newer engine. Thanks Guys
 
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Old 02-13-2010, 06:06 AM
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big bore kit anyone?
 
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Old 02-13-2010, 06:35 AM
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Originally Posted by mynewtoy
My bike is a 87 1000f.My cams and valve stems are at there service limits. How long can I get out of them as is? What are my options, if any? I love the ride but a new set of cams and valves are probley more then the bike is worth. I can do the work myself but parts alone will run me around 800 bucks. Any info is good info. Thanks
What do you mean when you say that they are at their service limit? I don't understand the statement.
 
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Old 02-13-2010, 09:26 AM
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What do you mean when you say that they are at their service limit? I don't understand the statement.
+1. That was my first thought, too...


Just ride the thing
And that was my second thought....lol...
 
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Old 02-13-2010, 02:04 PM
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As Pete asked , what miles are on her ??
Ove never heard of that ever being as issue full stop with 1000F's ??

and BTW ...these engines blowing are pretty rare too ...

Engines over 20 years old are not meant to be anywhere near a micrometer .... LOL
 
Last edited by CBRclassic; 02-13-2010 at 02:07 PM.
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Old 02-13-2010, 06:54 PM
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The bike has 26000 miles. The manual gives you the lobe size. Within a certin range.Then it gives you the least amount acceptable.Thats what there calling the service limit. I was woundering if valve shims are possible.
 
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Old 02-13-2010, 09:26 PM
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Originally Posted by CBRclassic
... Ove never heard of that ever being as issue full stop with 1000F's ??

and BTW ...these engines blowing are pretty rare too ...
Completely agree unless you are really running the crap out of her

If it makes you feel at ease I'm over 92,000 and mine are moving along just fine and they have never been replaced. We just did the CCT and Cam Chain and mine looked just fine. I'm pretty easy on her, but the previous owner was a jack *** and rode her hard. Again 92K plus and mine are just fine...
 
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