Today's Message Index:
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1. 05:38 AM - 912ULS Recommended Oil (Gandy, Allen (IS))
2. 05:43 AM - Re: 912ULS Recommended Oil (Bob Comperini)
3. 06:36 AM - Re: 912ULS Recommended Oil (Roger Lee)
4. 07:38 AM - Re: 912ULS Recommended Oil (lucien)
5. 02:47 PM - Old E10 (rparigoris)
Message 1
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| Subject: | 912ULS Recommended Oil |
Recently bought a 6 yr old RANS with 912ULS engine (~300 hrs), we are
3rd owner. Last owner was using Castrol GPS 20W50.
What are current Rotax recommended oils?
Are there issues/considerations in changing from Castrol to some other
petroleum based oil?
Allen Gandy
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| Subject: | Re: 912ULS Recommended Oil |
On 05:37 AM 6/14/2010, Gandy, Allen (IS) wrote:
>What are current Rotax recommended oils?
http://legacy.rotax-owner.com/si_tb_info/serviceinfo/si-912-016.pdf
--
Bob Comperini
e-mail: bob@fly-ul.com
WWW: http://www.fly-ul.com
Message 3
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| Subject: | Re: 912ULS Recommended Oil |
Hi Allen,
There are better oils to use other than Castorol and Rotax doesn't recommend some
of the Castorol oils. It also needs to be a motorcycle oil because of the additives
for the gearbox operation. This engine like motorcycles share the oil
between the gearbox and the engine. Unless you absolutely can't find a motorcycle
oil then a regular car oil shouldn't be used. It doesn't have the additives
for the gearbox.
It kind of depends a little on the fuel you use. If you are using 91 octane unleaded
auto fuel then you can use a good full synthetic. Such as Mobile One Racing
4T a 10-40w, Amsoil motorcycle oil 10-40w or 20-50w since it is summer time
temps or Aero Shell Sport Plus 4 a 10-40w a semi synthetic or Golden Spectro
4 or Honda G4 oil. The Honda oil would be my last pick.
If you have to use 100LL with all the lead you need to use a semi synthetic so
it will suspend the lead and will drain out during the changing of the oil. It
all won't all drain out, but if you use a full synthetic with 100LL then the
lead tends to fall out of solution and settle in areas of your engine. So the
Aero Shell Sport Plus 4 a semi synthetic would be a good pick. It is not recommended
to use a straight dino base oil because under certain conditions it doesn't
offer the higher quality protection as does a synthetic.
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Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=301164#301164
Message 4
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| Subject: | Re: 912ULS Recommended Oil |
Allen Gandy wrote:
> Recently bought a 6 yr old RANS with 912ULS engine (~300 hrs), we are 3rd owner.
Last owner was using Castrol GPS 20W50.
> What are current Rotax recommended oils?
> Are there issues/considerations in changing from Castrol to some other petroleum
based oil?
> Allen Gandy
>
Lots and lots of good and bad fights on the various lists about this issue.
My .02. The only _hard_ requirements on the oil you use:
- API service grade (has to be at least API SG as noted in the service instruction)
- viscosity (has to be sufficient for your expected range of operating temps.
- synthetic vs. semi-synthetic (the use of leaded gas like 100LL determines which
choice you make here).
- not _specifically non-recommended_ by Rotax (i.e. if Rotax has identified a particular
oil formulation that they _dont_ want you to use).
If it meets these requirements, the rest is gravy.
I personally use the Aeroshell but have use Valvoline 10W40 in the past with fine
results so far.
Now all you gotta do is ask what oil filter to use, and the fun will _really_ begin
;)
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=301180#301180
Message 5
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Has anyone knowledge on this "Snake-oil":
http://mystarbrite.com/startron/
Ron Parigoris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=301226#301226
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