Fixing XR650L

DAMN maintenance and repair thread; including Farkle Fests! :boohoo:
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J&J
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Fixing XR650L

Post by J&J » Sat Feb 03, 2018 7:19 pm

So my 650 smoked like crazy on start up at the Shenandoah 500 Sunday after all day riding Saturday. Only done it one time a little since. But I'm going to take it apart to check it out. And since I'm taking it apart I'm going to fix the piston size while I'm there... Got one on order :killingme:
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Re: Fixing XR650L

Post by J&J » Tue Feb 06, 2018 12:36 pm

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Re: Fixing XR650L

Post by Wingfixer » Tue Feb 06, 2018 1:43 pm

Ooooooo! Pretty!! :cheers:
F*** work.
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Re: Fixing XR650L

Post by Glenduro » Tue Feb 06, 2018 3:00 pm

Now that's a tip of a rod you can be proud of.
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Re: Fixing XR650L

Post by Junior » Wed Feb 07, 2018 10:27 am

J&J wrote: ↑
Tue Feb 06, 2018 12:36 pm
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I understand a little port and polish work goes a long way on that motor. Something to think about while you have it apart! you are doing the head anyway. throw a stone to it and clean up the ports.
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Re: Fixing XR650L

Post by J&J » Wed Feb 07, 2018 1:08 pm

Junior wrote: ↑
Wed Feb 07, 2018 10:27 am
 I understand a little port and polish work goes a long way on that motor. Something to think about while you have it apart! you are doing the head anyway. throw a stone to it and clean up the ports.
Don't have it apart yet so I haven't seen what it looks like but.... I can't take the valves out of anything without at least a little blending behind the seats & smoothing out the rough spots :angel:
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Re: Fixing XR650L

Post by zjcoombs » Wed Feb 07, 2018 7:03 pm

J&J wrote:
Junior wrote: ↑
Wed Feb 07, 2018 10:27 am
 I understand a little port and polish work goes a long way on that motor. Something to think about while you have it apart! you are doing the head anyway. throw a stone to it and clean up the ports.
Don't have it apart yet so I haven't seen what it looks like but.... I can't take the valves out of anything without at least a little blending behind the seats & smoothing out the rough spots :angel:
5-angle those valve seats, full port and polish, SS valves, and heavy springs...


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Re: Fixing XR650L

Post by J&J » Wed Feb 07, 2018 11:36 pm

:dry: I'm a cheap skate, errr ahhh frugal like Skinny Jay. I'll have to see what it looks like, hoping the valves still seal & the guides are tight. I might just lap em back in with new seals. It supposedly had a new top end when I bought it.... I think the added size & compression will give me enough performance increase....

Nah really, my buddy is a cylinder head nut so we'll prolly be doing it up :killingme:
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Re: Fixing XR650L

Post by Rut Row » Thu Feb 08, 2018 7:25 am

I have this visual of a XR900L when you are done :lol2:
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Re: Fixing XR650L

Post by Boom Boom » Thu Feb 08, 2018 4:42 pm

Since when do Hondas need worked on?
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