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Pilot air screws
Posted: Mon Jul 24, 2006 6:38 pm
by NoItsNotAnR1
OK, can't find out about the emulsion tubes today, so movin on.
Are these the air screws? The little recessed brass suckers? Sorry for the lousy pics.
Posted: Mon Jul 24, 2006 6:41 pm
by dereku
Oh it's a mirror! I get it now, but yes.
Posted: Mon Jul 24, 2006 7:03 pm
by FZRDude
and yet another use for duct tape...
Posted: Mon Jul 24, 2006 7:08 pm
by NoItsNotAnR1
Yep, if MacGyver only knew.
Now, next question: I have no idea how I'm going to access and accuratly adjust these. I'm tempted to pull the carbs off (or at least enough to tilt them up).
The manual says I have to drain the coolant if removing the carbs. That sucks! Any way around this? Can I loosen the carb joint bolts to tilt the carbs up without draining the coolant?
What's the secret, boys?
Posted: Mon Jul 24, 2006 7:38 pm
by dereku
I've got an FZR1000, yours are different than mine, sorry.
Posted: Mon Jul 24, 2006 7:42 pm
by NoItsNotAnR1
No sorry's needed, bro. I appreciate your help!
Posted: Mon Jul 24, 2006 10:44 pm
by NoItsNotAnR1
Well my friends, it is done, and the carbs are on the table. I have gone deeper into the beast than ever before, and the feeling is somewhat gratifying.
I drained the coolant, but I'm not sure it was necessary. In the end I figured I was better off going with the Yamaha manual and just draining the stuff.
Posted: Tue Jul 25, 2006 9:43 pm
by NoItsNotAnR1
Wow, the air screws were well off.
1. 2 turns out
2. 1.5 turns out
3. 1.5 turns out
4. 1.5 turns out
I went with 2.5 on all four, put the bike back together, and went for a ride.
Still some slight popping on decel, but way less than before. I cruised down the street opening and closing the throttle, listening to the exhaust. When I was satisfied, I flipped a U to head home.
I gave it a whack and the front tire came up so fast I couldn't believe it! Should've ripped into these things a looong time ago!
Thanks for the help, guys. I'm a happy camper!
Posted: Tue Aug 01, 2006 9:03 pm
by WickedFZR1K
Adjusting the mixture screws sure makes a world of difference huh?
I love mine set at 2 3/4 turns, i still get some popping on decel, but that could be partially to my exup valve being wired open (broke a cable and havent gotten the new one on yet) (runs ok with the valve opened, just loose some off idle crispness and my 3500 rpm wheelies went away
)
Just a note, if Colorado is a test state on bikes, you WILL fail with those settings...
Posted: Tue Aug 01, 2006 9:24 pm
by djalbin
WickedFZR1K wrote:Just a note, if Colorado is a test state on bikes, you WILL fail with those settings...
Arizona, at least Tucson and Phoenix, require emissions testing. I set my pilots at 2.5 turns out and the bike ran great. Failed emissions test. Not wanting to play trial-and-error with my bike's registration I took it to a bike shop that had an exhaust gas analyzer to set it within emissions limits. I'm not sure if they set them at 2 turns or 2 1/4 but it passed and the bike still runs well.
Don
Posted: Wed Aug 02, 2006 5:59 am
by NoItsNotAnR1
Nope, no testing in Colorado.