SuzukiSavage.com - very important top end question..

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very important top end question.. (Read 116 times)

fexterz11 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 21	very important top end question.. 06/26/10 at 11:26:59 is the 86 LS650 CYLINDER & PISTON interchangeable with the 05 cylinder and piston? and if it is, does the valves and everything else fit well?
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Re: very important top end question..
Reply #1 - 06/26/10 at 11:41:31

'86 is the 1st year of the model, a few things changed the next year.
I think the cyl and piston will fit. Someone did say there was a difference in cylinder height somewhere but can't find it. I believe there's enough clearance not to create an issue with the valves. There would only be a problem with timing if there was a large change in height. Something like 1° for every .01"

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fexterz11 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 21	Re: very important top end question.. Reply #2 - 06/26/10 at 11:50:32 hmm.. i blew the top end so i need to replace the top end, i was planing on buying a new cylinder and piston and rebuild the valves and other components. would you recommend going with a newer year full top end? or use the 86 bottom end - 05 cylinder head and piston and 86 valve train?
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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: very important top end question.. Reply #3 - 06/26/10 at 11:59:29 Please note that tech section is for how-to's and technical info. All bike questions should be posted in rubber side down. BS in the cafe. How did the top end blow out?
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fexterz11

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Re: very important top end question..
Reply #4 - 06/26/10 at 12:36:00

oh im sorry.. im new to the forum.
I was riding on the FW and the engine just shut off. no smoke no nothing..

took it home and started inspecting. I thought it was the CDI at first but not, then carbs, and they were fine, untill i took the spark plug out and it was broken. i put a flash light to the top end and saw that it had a crack.

i am guessing the timing chain went out and from there everything went bad, or that the spark plug was a little longer than the stock one. Sad

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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: very important top end question.. Reply #5 - 06/26/10 at 13:36:02 I was afraid this was the story. Most likely you'll need a piston and head, keep an eye on fleabay. I don't have a top end for you, but I do have a used piston and head that was parted out w/o the cover. been left out in the rain and rusted.
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fexterz11 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 21	Re: very important top end question.. Reply #6 - 06/26/10 at 13:48:04 the piston and the head are both rusted? hmm.. can you send me a pic of them please. is the head complete? valves, shaft, etc? what year is it?
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Re: very important top end question..
Reply #7 - 06/26/10 at 15:44:36

The PO told me he dropped a washer in the cylinder and started or tried to. Little bit of dings on the combustion chamber, not bad.

Piston is ok, no rust, just a few dings to match.
Trade you a case of beer for them.

You'll have to look at OF's cam reburbish post to make the head cover match and use what you can out of your existing engine.

I would recomend new chain and guides if it was the cam chain that let go.

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fexterz11 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 21	Re: very important top end question.. Reply #8 - 06/26/10 at 19:06:57 dude ill take you two cases of beer haha.. i am in souther cali also, 40 min from L.A soooo where do i deliver the beers hahaha
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