Okay, what's white with brown specs?

I checked the shims before ordering any jets....found two out of spec.
Exhaust on #1 and Intake on #3. Replaced them last night, and installed a new valve cover gasket.
The original gasket was a huge pain to get off completely....I assume it's 27 years old.
I'm starting to realize the PO didn't take care of the bike at all.

Since I put in an order, I got the new jets (114 & 41)....since the jets were stock (110 & 40) and I have a 4-1 exhaust. Also got new drain screws and a petcock rebuild kit.

The carbs are sitting at home with new jets waiting for the float heights to be checked, and be reinstalled.

I'm going to RTV the intake boots, and I've been soaking the other boots in armorall.

Also going to pick up a vacuum gauge to sync them properly.....then colortune. I should test the compression too....so I'm not chasing my tail!

I hope all of this solves my lean issues.

Hopefully, my throttle shaft seals don't need to be replaced?

 

UPDATE:

Well, put the carbs back on.......started up easily. Sounded better.

had to choke it quite a bit to keep it idling.

Took it for a quick spin, about 30 seconds into the ride the RPMs jumped way up, so I hopped off at a stop sign and tweaked the idle screw.

Rode around for 5-10 mins. The bike has a lot of power now.....plenty of get up and go.
Still sounds like it's popping/gurgling on decel......and a little hesitation on take off.

Came home, and checked the plugs after letting it idle for 30 seconds.

1- bone white
2- bone white
3- slightly brown on one side
4- brownish on one side (more then 3)

Ran out of time.

Vacuum check, compression and colortune this weekend. Hopefully that will help.

 

Sounds like progress! Congratulations.

 

Getting there.
I suppose it's a slow process that everyone goes through at first?
(now I have brand new bike to start tuning ( :roll: :lol: ) luckily it runs a million times better then the SECA )

After the vacuum sync and colortune.......I should be able to narrow any issues down.

If my pilot screws are ineffective at coloring the plugs/properly colortuning, I can assume I have an air leak, right?

Right now, it just runs like shit.
Will getting everything tweaked properly solve this?

 

So how did the colortune work out for you?

 

You hit the nail on the head.....DETONATION....this is a very bad thing

 

Match your condition to the illustrations on this chart.

http://www.ngksparkplugs.com/tech_suppo ... aqread.asp