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[johnsachs]

I have an empty primary right now after pulling it apart to replace a shifter seal and am thinking of trying that ATF route when I get the cover back on. Was reading the literature on the Alto Carbonite clutch and they are ok with ATF and reccomend type F for more holding power.

Automatic Transmission Fluid can be used with bikes that use separate oils for the engine, clutch and gearbox. Alto clutches will operate properly with any of the ATF fluids on the market. (Ford “Type F” fluid will give a more positive clutch engagement, and is more suitable for competition riding.)

It doesn't mention synthetic in their literature. Is dino a must or is synthetic ok?

Dave,
You won't have any problems using synthetic ATF in your primary with Alto Carbonite Clutch plates. I use Valvoline Max Life in all my Carbonite installs.
John

[ltank]

I put a Quart of VALVOLINE ATF with Dex/Merc in Primary and run motor a few minutes then drained it into a container and it was all red. I didn't see any discoloration from the regulator Primary oil. Then added a new quart in the ATF. I didn't notice any issues with the ATF.

[Yellow09SERG]

Dave,
You won't have any problems using synthetic ATF in your primary with Alto Carbonite Clutch plates. I use Valvoline Max Life in all my Carbonite installs.
John

Thank you John. Hows Florida weather treating you?

[Yellow09SERG]

I'd recommend if you're able removing the primary cover and clean it out, no need to pull the clutch hub apart to clean out the clutch first put a cardboard shroud over the top full length of the primary and run the motor for 30 seconds that will sling out any oil in the clutch hub and compensator.
If you don't pull the cover (because there's a few ounces still in the primary that doesn't drain) put in the ATF give it a short run then drain and refill with fresh ATF.

Funny you should make mention of the cardboard... I can tell you what happens when you start the bike without doing that!! Yep I have a bike that needs a cleaning...

[Yellow09SERG]

I put a Quart of VALVOLINE ATF with Dex/Merc in Primary and run motor a few minutes then drained it into a container and it was all red. I didn't see any discoloration from the regulator Primary oil. Then added a new quart in the ATF. I didn't notice any issues with the ATF.

ATF is going back in old girl

[longlast]

ATF is going back in old girl

Let us know if it's made any noticeable difference to your bikes performance. It definitely did to mine.

[Yellow09SERG]

Let us know if it's made any noticeable difference to your bikes performance. It definitely did to mine.

Sure will. Hopefully by the weekend I can get her back together and get a few hundred miles on ot