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ONE MORE 686 QUESTION

Old Mar 20, 2004 | 09:14 PM
  #1  
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Default ONE MORE 686 QUESTION

GOT IT ALL BACK TOGETHER AND RUNS GREAT. 3 OIL CHANGES WITHIN 6 HRS, BROKE THE CAM IN NICE AND EASY AND STILL HAVENT FULL THROTTLED IT. GONNA TEAR THE TOP DOWN AND READJUST THE VALVES. WHAT ABOUT RETORQUING THE HEAD? WHAT DO I RETORQUE IT TO OR SHOULD I EVEN WORRY ABOUT IT? THANKS
 
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Old Mar 20, 2004 | 09:16 PM
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Default ONE MORE 686 QUESTION

If you are tearing down the top end to adjust the valves, then re-torq the head and make sure they haven't come loose.
 
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Old Mar 20, 2004 | 09:22 PM
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Default ONE MORE 686 QUESTION

RETORQUE TO WHAT THOUGH?
 
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Old Mar 20, 2004 | 09:24 PM
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Default ONE MORE 686 QUESTION

The same thing you torqued it to the first time. I think its 32lb/ft but I am not sure. You'd have to check the manual to be sure.
 
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Old Mar 20, 2004 | 10:31 PM
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Default ONE MORE 686 QUESTION

SO I DONT LOOSEN THEM THOUGH, RIGHT? ALL I AM DOING IS MAKING SURE THEY DIDNT LOOSEN UP. ALSO, WITH 12:1 COMPRESSION, MY STARTER TURNS OVER REALLY SLOW, DO I NOW NEED A ONE WAY? HEADER PIPES GLOW RED AT IDLE WITH THE MIXTURE SCREWS 3 TURNS OUT EACH, DO I NEED A BIGGER PILOT JET? THANKS
 
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Old Mar 20, 2004 | 11:59 PM
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Default ONE MORE 686 QUESTION

Welcome to the 686 world, you'll se a huge difference. I had to upgrade my battery to a Yuasa YTX20L-bs from www.discountmotorcyclebattery.com it made all the difference in the world, my stock battery just wouldnt do it. You'll have a heck of a time jetting it properly, I'd start with 25 pilots and see if that fixes your hot headpipes. I'd also check your mains, somewhere in the 180/185 to start with. I went as high as 200/200 and was still lean, upgraded to FCRs and never looked back.
 
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Old Mar 21, 2004 | 12:38 AM
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Default ONE MORE 686 QUESTION

Just re-torq them to the spec's you did before. You probaly want to invest in a new battery to cure the slow starting problem.



And I have no clue about the jetting.
 
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Old Mar 21, 2004 | 12:45 AM
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Default ONE MORE 686 QUESTION

I gotta a question about this. You guys are talking about retorqing the big main head bolts right? Not all the little 5mm allen bolts. So to do this you have to take the top half of the head off so you can get to the big bolts, then put the cover back on and retorq all the little allen bolts, right?

 
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Old Mar 21, 2004 | 12:48 AM
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Default ONE MORE 686 QUESTION

Yep. You should replace those allen head bolts though, they snap too easily to retorque too many times.
 
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Old Mar 22, 2004 | 08:24 PM
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Default ONE MORE 686 QUESTION

Hey I'm interest in this thread allot. My bike is coming out this week and I just wanted to ask after the break in. it goes back in the shop then they re-valve it. Is it necessary to re-tourque? Also how many gas tank does it take to break it in.
 
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