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I started out with the 20/40 victory oil. Then went to mobile 1 20/50 syn, which was ok as the shifting was a little better. This winter with the colder temps I went with the 10/40 ames oil syn and the the shifting got even better like butter. As the weather warms I will be using the 20/50 ames oil syn. I would not go 7,000 as with the oil is going thru engin,trans,and primary. I think max for me is 3,000 as going on 14,000 miles at this point. To each there own.
Bob
 

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I use amsoil 20/50, don't ride much in the winter in Chicago. I still change at 2500-3000, I guess if you want to go more, I would change the filter. I have used since the 500 mile change. I won a Vic oil change kit once and ran that for 2500 miles. You really don't realize the difference until you use something else. Will not be doing that again!
 

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I use the Amsoil 10/40 that Amsoil recommends for our bikes. I change every 4,000 to 5,000 miles. Or 1 year...but it never gets that far.
From Amsoil's website:

SAE 10W-40 Synthetic Motorcycle Oil (MCF)
AMSOIL Synthetic Motorcycle Oils have been reformulated with new high performance additive technology that provides even greater multi-functional benefits for the special requirements of motorcycle applications. These independent and exclusive new AMSOIL formulations provide second-to-none viscosity protection for hot-running American and foreign motorcycle engines, transmissions and primary chaincases. Performance specifications include:API SG, SL/CF; JASO MA/MA-2; API GL-1

APPLICATIONS
AMSOIL Synthetic 10W-40 Motorcycle Oil is recommended for liquid or air-cooled 4-stroke engines. It meets SAE 80W/90, API GL-1 gear oil requirements and is recommended for transmissions on both 4- and 2-stroke motorcycles. AMSOIL MCF is recommended for Honda®, Kawasaki®, Yamaha®, Suzuki®, BMW®, Husqvarna®, Victory® and other motorcycles where 10W-40 or 20W-40 engine oils or SAE 80W/90, GL-1 gear oils are used. Not recommended where an API GL-4 or GL-5 gear oil is required.

SERVICE LIFE
For "on-road" use in engines and transmissions, change AMSOIL MCF and AMSOIL engine oil filter at twice the motorcycle manufacturer change interval or one year, whichever comes first.
 

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I use Amsoil 10-40 and it shifts nice and smooth. If you go to vision-riders or vmc cant remember which there is an Amsoil rep that will refund your $10 fee and you can get the oil at a much lower price than retail. For the filter I went with the one from Conquest Customs which is reusable and will last the life of the bike. All you do is clean it and put back on. I saw a post where someone had sent in their oil for analysis and the oil was still good at 2500 miles. Sending your oil in for analysis is the only true way to tell at what interval you should be changing your oil. The old car rule 6 months/3k mileage under normal driving conditions is not necessary with todays engines and oils but you'll find lube shops still pushing it for their revenue.
Victory's rule of every 2500 miles seems a little shortto me but I'm going to use it until I get around to sending it off for analysis.
 

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Discussion Starter · #12 ·

Thanks! It seems that a majority favor the Amsoil and the only debate is the weight. Since I live in Texas in a warmer climate the verdict is 20w50 and the more northern states they use the 10w40. There was some discussion on the Victory-Riders website that most of the Amsoil Reps & their engineers feel the same way about the two different climates.
I plan on using the K & P Engineering filter that can be cleaned at each oil change. I see that Lloydz Motorworkz uses these filters and so does Scott at Conquest Customs.
Anyone have any experience with these filters?
 

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I use Amsoil 20-50 and change oil about every 5000 miles Have had no problems and it shifts great still get about 43-50 mpg depending on temp
 

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freezeradio said:
Is 2000 miles too early for an oil change?
Probably, but close enough.If it works from a timing standpoint then go for it. Changing your oil early is kind of like changing your socks at lunch time.....I don't think anyone is gonna tell you NOT to do it.
 
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