Another oil change question..
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Road Captain
Joined: Mar 2007
Posts: 541
Likes: 3
From: Houston
Another oil change question..
I have a 2009 FLHTC
I did my 1K service my self and only did the regular Harley oil and formula+ in primary and transmission...
Im at 3600 miles now so was going to change the oil and now debating on doing the SYN3 in the motor...
If I put that in motor is that good for 5k miles or 1yr since I dont ride that much
And should I just do the primary and trans at the same time?
for primary and trans is the formula+ or SYN3 better to use?
I did my 1K service my self and only did the regular Harley oil and formula+ in primary and transmission...
Im at 3600 miles now so was going to change the oil and now debating on doing the SYN3 in the motor...
If I put that in motor is that good for 5k miles or 1yr since I dont ride that much
And should I just do the primary and trans at the same time?
for primary and trans is the formula+ or SYN3 better to use?
Big Kahuna HDF Member
Joined: Feb 2006
Posts: 23,881
Likes: 34
From: USA
Try some 75w90 or 75w140 synthetic gear lube in your trans. Like Mobil1 or Valvoline. It will shift much better, run quieter and you can run it 20,000 miles. In the engine & primary the syn3 20w50 is fine or the Mobil1Vtwin 20w50 is actually a bit better. If you just like to get all your oil & filters at the dealer ask if they carry Bel Ray 85w140 gear saver for your trans. Many dealers do. But use gear oil in the trans.
Ultimate HDF Member
Joined: Jun 2009
Posts: 6,932
Likes: 4
From: 46th State, USA
If you talk to the oil experts, you will find that synthetic oil is not good for 5,000 miles. Just because you're using synthetic, don't mean you shouldn't should change at regular interval as you would with standard engine oils. Especially in an air cooled engine.
Thread Starter
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Road Captain
Joined: Mar 2007
Posts: 541
Likes: 3
From: Houston
Right...
Well I put 3600 miles on it in a year so I figure I will change yearly since I usually dont have the mileage
my last bike had 4500 miles in 2 full yrs...
Well I put 3600 miles on it in a year so I figure I will change yearly since I usually dont have the mileage
my last bike had 4500 miles in 2 full yrs...
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Road Captain
Joined: Mar 2007
Posts: 541
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From: Houston
Just picked up some Mobil 1 V-Twin 20w-50 for $7.99 each at Advanced Auto Parts
price good till April 28th
price good till April 28th
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Joined: Oct 2007
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From: New England
Short trips generally won't allow the oil to fully heat and burn off raw fuel or water vapor...both bad for a motor.