Questions & Answers for: Harley Davidson XL 1200 C Sportster Custom octane 2 0 1

what is the best grade of gasoline to use in a 2005 1200 sporster 110 octane is good for most bikes

how do you get 110 octane in gas when super is 91 octane are you adding octane boost? Check at car speed shop.You can buy race fuel that the dragstrip crowd uses.I believe it goes to 110.Hope you got ...

how do you get 110 octane in gas when super is 91 How do you get 110 octane in gas when super is 91 octane are you adding octane boost? yes they are adding boost or they are buying a race fuel of some

...a stutter when not under load. I recently used 87 octance fuel could the is be the cause Using low octane gas I believe would give you pinging when a load is on the the motor. If you are getting ...

What fuel should I put in my 2003 harley sportster Technically, it will run on any octane gasoline you put in it but it runs best on high test. If your bike's engine rattles (spark knocks) when ...

what type of fuel to use on my sportster Hi Anonymous, high octane. Have nice day.

harley chugs when I shut it off. Hi Anonymous, and the usual suspects are: 1. Fuel octane rating too low. 2. Faulty spark plugs. 3. Incorrect spark plug for the kind of service. 4. Excessive carbon ...

...done / tryed new cams and lifters / still same noise Hi Tom, and the usual suspects are: 1. Fuel octane rating too low. 2. Faulty spark plugs. 3. Incorrect spark plug for the kind of service. 4. ...

1200 sportster misfiring but not all the time WHAT YEAR Are there any codes set?? Check/replace plugs Check/replace with fresh high octane fuel

and even medium grade fuel will cause spark knock or pinging in the engine. These machine need high octane