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TOPIC: Re:Going Synthetic on the Road Star Forum Tools Post New Topic Show latest posts Rules

#126973 Mrbail1975 (User) mrbail1975 Fresh Boarder Posts: 21 Going Synthetic on the Road Star 1 Month, 2 Weeks ago   Hi anyone change your oils to Synthetic on road star? Did you feel the different? I just took my road star to do the recall work on the transmission and want to know if it is best that put Synthetic oils on my road star. Went they take the transmission off do they need to get the motor oil out too? Thanks Mrbail1975   Logged     Sig Pic deleted - larger than 50 kb   The administrator has disabled public write access. #126977 Flashback (Moderator) The devil to pay, and no pitch hot Moderator Posts: 4322 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   Trans and engine share the same oil, most think that dino is best for breaking in new rings.. do a search here on syn oils and you will be reading for months...   Logged       The administrator has disabled public write access. #126991 Musky (Moderator) Doc took Grams beer Moderator Posts: 13093 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   Part of the transmission recall kit is new rings. So they'll be tearing the motor apart. Lots of people use syn. I would say the vast majority.   Logged       The administrator has disabled public write access. #126992 GJCARVING (User) Glad to be on the Clinic!!! Expert Boarder Posts: 570 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   I agree with Flashback! Its good to break in the new rings with dino oil. After the break in period it would be fine to make the change to synthetic. I use Mobil 1 V twin 20-50, and what I mostly noticed is that it quiets the motor noises down, and seems to run and shift a little smoother. You can also change the Transfer case oil to synthetic also. Hope this helps!   Logged       The administrator has disabled public write access. #127005 Midnight1700 (User) Fresh Boarder Posts: 99 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   Flashback wrote: Trans and engine share the same oil "Trans and engine share the same oil?" Doesn't the trans require a heaver oil, such as Mobil 1 75/90 and the engine Mobil 1 V-Twin 20/50?   Logged     The administrator has disabled public write access. #127006 Mark7 (User) Look for me on MSN chat if you want. Platinum Boarder Posts: 1033 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   Midnight, you're thinking transfer case oil. Transmission and engine share oil. Transfer case uses the heavier viscosity oil. M7   Logged       The administrator has disabled public write access. #127011 Lakecharles (User) Jeremiah 29:11 and Semper Fi! Expert Boarder Posts: 450 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   GJCARVING wrote: ...I use Mobil 1 V twin 20-50, and what I mostly noticed is that it quiets the motor noises down...! Ditto for me as well! It quited my bike big time... huge difference.   Logged     Last Edit: 2008/10/06 11:04 By Lakecharles.     The administrator has disabled public write access. #127023 Pop Rivet (User) Platinum Boarder Posts: 2746 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   The viscosity or thickness of 20w-50 weight syn oil is the same thickness as gear 75w 90 oil just a different rating system.. an SAE 30 engine oil has approximately the same viscosity as a SAE 85W gear oil. ... shear qualities of the syn 50 oils is as good as gear oil..that is why SYN 3 harley oil is use in all three cavities transmission... engine... and transfer case... and you can use mobil v-twin in the transfer case the use of synthetic oil does not effect breakin... with newer ceramic composite cyl and rings...   Logged     Last Edit: 2008/10/06 11:46 By Pop Rivet.   2009 Ultra Classic HD...2005 Silverado Road Star Listen to the Road Star   The administrator has disabled public write access. #127035 Midnight1700 (User) Fresh Boarder Posts: 99 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   AH! Got it. I was thinking transmission and Transfer are one in the same. Hopefully I didn't steer anyone off in the wrong direction.   Logged     The administrator has disabled public write access. #127069 Rayjay (User) Senior Boarder Posts: 204 Re:Going Synthetic on the Road Star 1 Month, 2 Weeks ago   Sure would be nice to add high compression pistons and better valve springs while they was in there!   Logged     Last Edit: 2008/10/06 14:28 By Rayjay.   Ray   The administrator has disabled public write access.

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