Lead substitute

[egent]

As some of you my know, I purchased a '78 GS750E last week. I have put about 125 miles on the bike since I bought it. What I wanted to know is this: The PO told me that he has been putting lead substitute into every tank full of fuel. Do you all think that this is necessary or was the PO going over the top?

Dirk

[salty_monk]

I haven't used it in mine although I have pondered the same question....

My eventual conclusions (personal, I never asked on here) was that as the heads are Aluminium they must have steel inserts for the valves in them anyway in which case they will most likely be hard enough for unleaded.

I know this isn't always the case (some bugs have non hardened steel inserts for instance) but it's more the case than not.

Hope I'm right...

Dan

[Greg O.]

Unleaded gas came out in 1974, and these bikes came along after that, although leaded gas was around for a few years after that till about 1980ish.

Greg

[egent]

Found my answers

I guess I should have used the search first on this issue. I found aout 3 good long threads on this issue:

1. http://www.thegsresources.com/_forum...ead+substitute

2. http://www.thegsresources.com/_forum...ead+substitute

3. http://www.thegsresources.com/_forum...ead+substitute

[Clone]

No lead needed, you are just spewing more crap into the atmosphere. Your valve seats will be fine without it.