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Ferrolano
| Posted on Friday, August 25, 2006 - 02:14 pm: |
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At 1,300 miles I'm ready to begin using synthetic oil (Mobil1 15-50 in the engine), H-D Formula+ in the primary. But is there a separate transmission oil? And if so, what should I use there? Or is the crankcase & the transmission one unit? |
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Old_man
| Posted on Friday, August 25, 2006 - 02:28 pm: |
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They are separate units. I use the same synthetic oil in both. I have it changed at the dealer, they use the Harley Syn. I top off with Mobil 1 15-50 as needed in both engine and transmission. |
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Ferrolano
| Posted on Friday, August 25, 2006 - 02:36 pm: |
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So, let me get this straight. There are three separate units: 1) engine, 2) transmission, and 3) primary case? Is that right? |
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Whodom
| Posted on Friday, August 25, 2006 - 02:55 pm: |
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No. Primary and the transmission share the same oil. Engine oil is completely separate. |
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M1combat
| Posted on Friday, August 25, 2006 - 03:00 pm: |
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Whodom is correct. |
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Percyco
| Posted on Friday, August 25, 2006 - 03:34 pm: |
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1. H-D Syn 3 in the engine (runs cooler) 2. H-D Syn 3 in the primary/trans (shifts much smoother) You won't be disappointed. |
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Spectrum
| Posted on Friday, August 25, 2006 - 04:35 pm: |
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So just curious how many change their primary/tran fluid every oil change, or just every other? Assuming your doing oil changes ever 2500 miles. |
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