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Yuill Bros.
Enhancing the Harley-Davidson Experience

Flash Here

Riding Tips

 

Cold or Rainy Weathers

CLOSE the TRAP DOOR!

 

a. Quicker warm-up

b. Better throttle response

c. Keeping the air filter dry

d. eliminating carb icing

 

In good weather conditions, OPEN the TRAP DOOR the amount that works best for your type of riding and performance requirements!

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