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Steve
Steve, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 6828
Experience:  30+ yrs. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike program manager, CCI 2001-2004
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I have a 2006 texas chopper and it needs some sort of

Customer Question

I have a 2006 texas chopper and it needs some sort of tuning. It seems to cough at times and it sometimes has difficulty starting sometimes. I also noticed it pings under load. Can you point me in the r direction?
Submitted: 1 year ago.
Category: Motorcycle
Expert:  Steve replied 1 year ago.

the "cough" is a symptom of a LEAN MIS-FIRE.

the first thing I would do is check for intake vacuum leaks by spraying carb cleaner on the intake seals with the engine at idle. you will know right away if you have any leaks. if you do, replace all intake manifold seals. you will have to get the kit from an S&S dealer.

let me know if you need more help.

Steve

Expert:  Steve replied 1 year ago.

let me know if you need more help.

if not, please leave a POSITIVE RATING.

thank you,

Steve

Expert:  Steve replied 1 year ago.

let me know if you need more help.

if not, please leave a POSITIVE RATING.

thank you,

Steve

Customer: replied 1 year ago.
Hi
There is no vacuum leak...
The pinging underload may be a cause.
Can the timing or electronics be something i should look at.
Expert:  Steve replied 1 year ago.

the only thing that causes a cough is a lean air/fuel mixture.

if you have no leak, you need to correct the lean jetting on the carb.

the ping is caused by a lean air/fuel mixture causing "detonation", usually when accelerating.

your bike should have a VOES that retards the timing under low rpm, low vacuum situations when pinging occurs.

correcting the lean jetting will solve both problems.

if you can tell me what size intermediate and main jets you have in the carb, I can help you fix this.

Steve

Customer: replied 1 year ago.
When i get home from work this afternoon I will find out...8.30 in the morning here.
Thanks
Expert:  Steve replied 1 year ago.

let me know what you find.

Steve

Expert:  Steve replied 1 year ago.

let me know if you need more help.

if not, please leave a POSITIVE RATING.

thank you,

Steve