Can some of you experts check my work?

  • Dale65
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Can some of you experts check my work?

20 Jan 2011 18:59
#424002
I've been reading on here for awhile about how to bypass the smog system on a kz, specifically mine, which is a '81 kz550 ltd. I think I got it right, so if I can figure out how to add more than one pic at a time, I'd like ya'll to check it to make sure I got it right. The first pic is what was left when I got done. And before anyone asks, no, I didn't use the hammer in the pic, it is only keeping the door open.;)
1981 KZ550 LTD stock for now, but soon to be a cafe racer.

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Re: Can some of you experts check my work?

20 Jan 2011 19:01
#424003
Here's what I used to plug the valve cover holes.
1981 KZ550 LTD stock for now, but soon to be a cafe racer.

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Re: Can some of you experts check my work?

20 Jan 2011 19:02
#424005
I used this to plug the hole in the carbs.
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Re: Can some of you experts check my work?

20 Jan 2011 19:05
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1981 KZ550 LTD stock for now, but soon to be a cafe racer.

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Re: Can some of you experts check my work?

20 Jan 2011 19:07
#424009
Here's a shot of the side where you can see both plugs. Please let me know if I forgot anything.
1981 KZ550 LTD stock for now, but soon to be a cafe racer.

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  • Motor Head
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Re: Can some of you experts check my work?

20 Jan 2011 19:29
#424017
Did you also plug the hole in the airbox?
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
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Re: Can some of you experts check my work?

20 Jan 2011 19:32
#424018
I'm pulling the airbox and putting in pods. Sorry, I forgot to mention that. Thanks for asking.
1981 KZ550 LTD stock for now, but soon to be a cafe racer.

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  • PLUMMEN
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Re: Can some of you experts check my work?

20 Jan 2011 19:44
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looks good to me,id leave the airbox on there if the boots arent destroyed to save a lot of tuning issues B)
Still recovering,some days are better than others.

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Re: Can some of you experts check my work?

20 Jan 2011 19:58
#424023
Thanks, Plummen. I've been reading a bit here that tuning pods can be a nightmare. I'm going to carefully pack my airbox away just in case I have the same issues. Only problem is, it looks like a nightmare to take it out. I haven't got that far yet. I just wanted to tackle the anit-smog garbage first.
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Re: Can some of you experts check my work?

20 Jan 2011 22:42
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What you did was good, but somewhat temporary.

The rubber caps on the valve cover will breakdown quickly with heat. This will lead to cracking and leaks which may cause some backfiring in the exhaust.

The sheet metal screw in the vac hose may not seal perfectly either. You want to use something smoother. You can cut sections of a knitting needle to get smooth plugs. Don't get the little, generic rubber caps from a parts store. They breakdown real fast. Stick with vac hose with a smooth plug. You can also use the head on a small allen bolt if it's smooth.

Also, here's a link to a mod I use on those carbs to control the fast-idle speed during choke use.
home.comcast.net/~loudgpz/GPZweb/Carbure...PZchokeScrewMod.html

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Re: Can some of you experts check my work?

21 Jan 2011 05:19
#424073
Dale65 wrote:
I'm pulling the airbox and putting in pods. Sorry, I forgot to mention that. Thanks for asking.
:)

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Re: Can some of you experts check my work?

21 Jan 2011 18:03
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loudhvx wrote:
What you did was good, but somewhat temporary.

The rubber caps on the valve cover will breakdown quickly with heat. This will lead to cracking and leaks which may cause some backfiring in the exhaust.

The sheet metal screw in the vac hose may not seal perfectly either. You want to use something smoother. You can cut sections of a knitting needle to get smooth plugs. Don't get the little, generic rubber caps from a parts store. They breakdown real fast. Stick with vac hose with a smooth plug. You can also use the head on a small allen bolt if it's smooth.

Also, here's a link to a mod I use on those carbs to control the fast-idle speed during choke use.
home.comcast.net/~loudgpz/GPZweb/Carbure...PZchokeScrewMod.html

Thanks for the advise. I think my screws will hold, they're really tight. But the valve cover plugs may very well break down quick when the engine gets hot. What's a better way to plug those two?

Larry, I've heard that here alot about the pods. I may change my mind, but I think I'm going to ruin the rubber boots when I get the carbs off. I'm sure 30 years ago they were nice and flexible, but they are so stiff now I can't get the carbs out. And I have to do that to fix the oil leaks. So I may try the pods (I already have them) and see what happens. I can always put the box back in and pray I can find more boots. Unless ya'll know of a way to get them off without destroying them.

Thanks all for the advice. Keep it coming, I'll be asking tons of questions.
1981 KZ550 LTD stock for now, but soon to be a cafe racer.

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