Thundermax decel pop

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Feb 14, 2010 | 10:16 PM

#11

aqua754

Cruiser

Joined: Jan 2008

Posts: 229

Likes: 19

From: LI, NY

I have the same set up as you,,,only my FB is an 08. You say you are using the 411 map, which shows a different cam other than stock in map definitions. I am using the 401 map which was preloaded by FueMoto and the one recommended by Zippers. It has been fine for me. Once in a blue moon, I may get a pop here and there, but no big deal. You may want to "confirm" that map 411 is the correct one. Also, the guys at Zippers had me change the Decel Fuel Cut high setting from 2400 to 2208 which seemed to help some.

Last edited by aqua754; Feb 14, 2010 at 10:24 PM.

Feb 14, 2010 | 10:36 PM

#12

Colin1966

Thread Starter

Road Warrior

Joined: Sep 2009

Posts: 1,472

Likes: 8

From: Blind Bay, BC

your right aqua754 it is 401 not 411 way to many thumbs.
I will try calling zippers and ask them whats the best solution, & also look at my slip-ons for leaks,did you change the decel fuel cut?

thanxs
Colin

Feb 15, 2010 | 06:47 PM

#13

Colin1966

Thread Starter

Road Warrior

Joined: Sep 2009

Posts: 1,472

Likes: 8

From: Blind Bay, BC

checked out the slip-on connections today and they where fine, no blow by and no light. I contacted Zippers and they suggested changing the Decel Fuel Cut high setting from 2400(default) to 2048 I have not had a chance to try the new setting but i will update when i try it out.

thanxs for all the suggestion.
Colin

Feb 15, 2010 | 11:40 PM

#14

tommyglide

Tourer

Joined: Dec 2009

Posts: 399

Likes: 25

From: Northern Alberta

In answer to your question about the autotune function, that addresses the target afr for the map installed. I had decel pop for 13,000 miles but it didn't concern me and nothing bad happened because of it.

Last edited by tommyglide; Feb 16, 2010 at 12:06 AM. Reason: spelling

Feb 15, 2010 | 11:56 PM

#15

Colin1966

Thread Starter

Road Warrior

Joined: Sep 2009

Posts: 1,472

Likes: 8

From: Blind Bay, BC

Thanxs for the reply Tommy,
seems a little decel pop is no big deal but i was getting alot so I was concerned.
My last 2 HD's had no decel pop (Heritage) and the fatboy only started when I installed the slip-ons and the Tmax, after talking to zippers today I am not to concerned about it any longer. Tomorrow looks like a dry 50* day so I will go for a ride and get rid of the cobwebs between my ears.

Colin

Feb 16, 2010 | 12:09 AM

#16

tommyglide

Tourer

Joined: Dec 2009

Posts: 399

Likes: 25

From: Northern Alberta

Parksville, good for you. I'm west in northern Alberta, won't be any riding for a couple of months. And by the way, I had the slip ons on before the tmax and had no decel popping. That all arrived with heads, cams and tmax, so which one was it? Probably the spark map on the tmax. Oh well.

Feb 16, 2010 | 02:54 AM

#17

Colin1966

Thread Starter

Road Warrior

Joined: Sep 2009

Posts: 1,472

Likes: 8

From: Blind Bay, BC

northern Alberta,

you will be a while untill riding. We have had a great winter so far it +7c* @ 1am BUT the Olympic could use some snow.
I am planning on a decent ride today to check her out.
all the best Tommy & thanxs

Colin

Feb 24, 2010 | 12:50 PM

#18

MHenriques

6th Gear

Joined: Apr 2009

Posts: 12

Likes: 0

From: Rio de Janeiro - Brazil

Check also for leaks on the exhaust port on each cylinder. Use a candlelight, accelerate the bike and check for flame movements around the exhaust ports.

In case you rule out leaks, you can check the following videos to try to adjust your map:

http://www.youtube.com/watch?v=VwJPH5s3EE4
http://www.youtube.com/watch?v=3ll2MG8PNtw
http://www.youtube.com/watch?v=N_3hJJpT8n8

MH