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Author Topic: A Nice Ride!  (Read 783 times)

Red_Hen

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A Nice Ride!
« on: April 06, 2011, 08:44:19 PM »
Hi Gang,

Went for the "BIG" ride this afternoon on the R65LS.  Went to put some gas in the tank $4.03 for non-ethanol premium.

Still getting used to her but everything works very good.  Rear brakes good and new floating rotors up front very nice!

Is it unusual for these bikes to run on one cylinder when cold? Maybe it had bad gas in it - don't know - but after a bit of warming up the second cylinder fired up.  But surprisingly, you can drive the bike running on one cylinder.
Anyway, really neat to be able to be riding this bike - WOW!  
« Last Edit: April 06, 2011, 08:46:21 PM by Red_Hen »

Offline montmil

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Re: A Nice Ride!
« Reply #1 on: April 06, 2011, 09:22:09 PM »
Quote
...Is it unusual for these bikes to run on one cylinder when cold? Maybe it had bad gas in it - don't know - but after a bit of warming up the second cylinder fired up...

Should not do that if all is well within the Bings.

First, a simple check. Drop the carb float bowl on the offending jug. Confirm the small jet in the bottom of the enrichener reservoir well is open. Just follow the long-ish brass tube protruding downward from the carb body.

If the jet is clear, I would then suspect an issue with the enrichener mechanicals and/or choke cable adjustments.

For even more fun, swap the spark plug leads and see if the problem changes sides.

Woo Hoo. Are we having fun yet? ;)

Monte
« Last Edit: April 06, 2011, 09:23:22 PM by montmil »
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Red_Hen

  • Guest
Re: A Nice Ride!
« Reply #2 on: April 07, 2011, 06:08:15 AM »
Monte: how would you "confirm" whether or not the jet is open? Are you running a small wire, checking for obstruction?

It was only running on one cyl when it was cold - maybe the carbs weren't balanced?  I have a friend who can help me check that.




Offline Rob Valdez 79 R65

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Re: A Nice Ride!
« Reply #3 on: April 07, 2011, 05:05:33 PM »
Take a single strand of copper wire from lamp cord wire.  
This is the rule for cleaning out any of the openings in a carburetor.  Compressed air and chemicals is best, though.

Offline montmil

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Re: A Nice Ride!
« Reply #4 on: April 07, 2011, 06:31:04 PM »
Quote
Monte: how would you "confirm" whether or not the jet is open? Are you running a small wire, checking for obstruction?

Yep. Roger that. A thin, single strand of copper wire will dislodge anything that's clogging the "jet".

Monte
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Red_Hen

  • Guest
Re: A Nice Ride!
« Reply #5 on: April 07, 2011, 07:13:25 PM »
Thanks guys.

Did get this sorted out.  Rode her to a friends house this afternoon. He said "Kenny, why is your starboard carb tilted so far to the right?"

I told him the fuel hose broke when I brought the bike home and in order to get the new hose through the bottom of the airbox, I had to remove the carb.  Apparently, I didn't align it correctly

He balanced the carbs for me but the right head with the stainless threaded flange definitely has an exhaust leak - not major but enough to prevent him for dialing it in as it should be.  

I'm gonna ride her around, put some miles on her and replace the head at the end of the summer or when I need to.  The "new" head is going to the machine shop tomorrow so it will be ready when I'm ready.

She really runs well - it's really a little nimble machine.