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Old 03-24-2011, 11:54 AM   #26026
XR650L_Dave
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Quote:
Originally Posted by bwalsh View Post
Translation=For the single track around here both would be napping a lot.
Mmmmm.... what? Not sure you are agreeing a 950 or 990 would or would not be a lot diff from an XRL...

On my end, where I like to go, what I like to do, pretty sure a 950 or 990 could not even get there. Best trail is tight woods, hilly, plenty of rocks, no trail. (I had a ton of that in CT, tougher to find where I am now).


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Old 03-24-2011, 12:10 PM   #26027
Captain Yesterday
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I'm looking to a rebuild on my xr650L motor and I got a couple of questions.

1) I'm going to run a JE high compression piston and I'm wondering what cam and battery setup I should run? Hot cam and 450x battery? stock cam and 450x battery or hot cam and stock battery. Mostly I'm worried about starting. Right now I'm running a 450x battery with a stock motor and it struggles starting when cold.

Also when I rebuild my engine should I replace the cam chain and tensioner? The motor has ruffly 25,000miles on it?

Thanks
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Old 03-24-2011, 12:48 PM   #26028
mcma111
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Engine Work

Captain,

I'll chime in here with my recommendations. First off is the battery in the stock location or not. If it is and you need more Omph out of the battery get one for a KTM 950. It is the same overall size just a little taller so you have to trim the battery keeper strap some. I put one in my son's built XRL and the battery works GREAT.

Next, I wouldn't use a Hot Cam if you paid me. Yes, I don't like them. Some folks have had good results with them and others haven't. Just ask Prince Ruben of this thread. A fresh top end and at 700 miles his new Hot Cam took a shit and killed the rockers. A pricey repair at best.

My normal build and I've done a few is a 102.4 piston and a Mega Cycle cam with treated rockers. This is a very expensive build. $500.00 in the cam and rockers alone. On my bike that I did last May has the 102.4 piston but I kept the OE cam and the bike runs just fine and the OE battery has no problem getting it started.

The bike I am building right now:
http://www.advrider.com/forums/showthread.php?t=669060

It's getting a JE 102 piston (Thanks Kenny61) and I am keeping the OE cam as I just don't have the $$ for a Mega Cycle cam at this time. I am going to do the KTM battery as I have to buy a battery anyway.

My 2 cents...
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87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 03-24-2011, 01:10 PM   #26029
Guerre
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Quote:
Originally Posted by ONandOFF View Post
I'll say this and then I'll shut up. Once you've tried these, you won't go back.
You'll just be, like, why didn't I try these sooner?

What are these?
Just wondering.
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Old 03-24-2011, 01:18 PM   #26030
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Quote:
Originally Posted by mcma111 View Post

The bike I am building right now:
http://www.advrider.com/forums/showthread.php?t=669060

It's getting a JE 102 piston (Thanks Kenny61) and I am keeping the OE cam as I just don't have the $$ for a Mega Cycle cam at this time. I am going to do the KTM battery as I have to buy a battery anyway.

My 2 cents...
which piston? 128998 or 139550
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Old 03-24-2011, 01:21 PM   #26031
mcma111
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Quote:
Originally Posted by ssregal39 View Post

which piston? 128998 or 139550

The 139550. Hell it was FREE...
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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 03-24-2011, 01:25 PM   #26032
ssregal39
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^^^ cool....ktm 990 what?
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Old 03-24-2011, 01:29 PM   #26033
mcma111
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Originally Posted by ssregal39 View Post
^^^ cool....ktm 990 what?

Any 950/990. They have the same battery
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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 03-24-2011, 01:31 PM   #26034
ssregal39
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oops. i meant to say i'm slowly forgetting about the ktm.
i guess i kinda started all the fuss going on...
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Old 03-24-2011, 01:35 PM   #26035
mcma111
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Quote:
Originally Posted by ssregal39 View Post

i meant to say i'm slowly forgetting about the ktm.


How could you???
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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 03-24-2011, 01:42 PM   #26036
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Quote:
Originally Posted by Guerre View Post
What are these? Just wondering.
just Click it!
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Old 03-24-2011, 01:55 PM   #26037
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Originally Posted by ONandOFF View Post
just Click it!
Oh..

Just showing off my intelligence again, no big!
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Old 03-24-2011, 02:01 PM   #26038
Captain Yesterday
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Quote:
First off is the battery in the stock location or not.
Nope the battery is in the air box.

Yeah that's a lot of money for just a little extra Hp. I already have the hot cam, maybe I'll just sell it. And stick with the OE cam.

I'm looking for reliability not a race engine.
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Old 03-24-2011, 02:07 PM   #26039
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Quote:
Originally Posted by Captain Yesterday View Post
...I'm looking for reliability not a race engine.
Scary, isn't it?
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Let's ride!!! - No offense, but there've been a lot of people over time who were just as sure, yet got it wrong. - Una necedad, aunque la repitan millones de bocas, no deja de ser una necedad. - "you know that I could have me a million more friends and all I'd have to lose is my point of view" (Prine)
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Old 03-24-2011, 02:09 PM   #26040
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Cam

I hear that Techforlife is looking for a Hot Cam.






























Not

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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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