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"Motorcycles (or any engine) with integrated gear box or using the same oil in gearbox as crankcase should, in general , not use friction (zinc?) modified oils." This can be a complex issue as some modifiers reduce friction (Moly), and others increase it. In a seeming paradox, ZDDP both reduces...

Good catch on the "Gweilo" term. During my 25 years working in SEA I picked up on the term, and its implications. I'm obviously not insulted by it. On the contrary, it reminds me of the wonderful times and cherished friendships I enjoyed while working in the region, China in particular.

Excellent post !! 👍 May I add that automotive multi-grade oils are formulated to spec within a 40 deg C to 100 deg C temp range, ( yep, I'm Canadian). All oil viscosities change with changes in temp, as you know. That "Air cooled" engines often suffer operation temps both above and below...

"Zinc seems to be a relatively recent innovation",,,,, Actually, Zinc was a common package component in most motor oils back in the days of flat tappet car engines with no catalytic converters. Zinc is death on converters so has been all but eliminated from automotive oils but remains a common...

On the topic of synthetics, yes they are better. That said if you can only justify paying synthetics prices by extending change intervals then stick with regular oil and change it on schedule. So, buy a synthetic oil by all means, just don’t buy the “extended interval yarn” that comes with it...

Don’t under rate the zinc recommendation. My HD manual recommends their Motorcycle oil or if that isn’t available a suitable weight oil rated for diesel engines. What do MC oils and diesel oils have in common? Both are much higher in zinc than automotive oils. This may explain the mysterious...

Hi All Purchased an Apex 60 in October. I have yet to use it in anger. Its a LOT more machine than I need but was the only one in stock with serviceable trans axles and at least a 10 ga deck. I live right on the coast so sandy / salty mowing is going to be my problem. I've coated the underside...

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Unlikely, perhaps, but If trace amounts of something like this were aspirated when hot, I can't imagine it doing a carburetor much good once it cooled. Again, no expert I, but this would be just my luck if history were any indicator. :rolleyes:

No expert I. That said, I somewhat suspect that these engines suffer the same fate as firearms do in that more damage is done through clumsy cleaning / maintenance efforts than anything else. Never mind the goo. Blow the filter housing / area clean "before" removing the dirty filter and then...

I haven't done a homework assignment in decades. This is an "opinion" forum. If you want to fact check, google will work as well for you as it would for me. Fill yer boots.

Yep, just because the manufacturer says your engine "can take it", doesn't mean E10 is as good as E0. It isn't.

Lots of Opinion Forums and websites dump on SeaFoam as an outboard motor product but its worked for me in everything and as its "mainly" nothing but "pale oil", an upper cylinder lubricant, and isopropyl alcohol, you don't need to be a mad scientist to get the mix ratios correct. Anything...

This is my understanding too. The grain alcohol in E10 isn't directly the problem. It is the affinity between grain alcohol and water which is the problem as it causes the water to separate out of the E10 fuel and combine with the grain alcohol in a distinct layer at the bottom of the tank. The...

Good to know, Thanx.

For the past decade I've been a complete devotee to 0E fuels, using it in everything I own that burns gas. Seasonal equipment gets stored with full tanks and a few oz of Sea Foam and for 10 years none of it has resisted starting right up, even in one case, after sitting nearly 2 years. In my...

The Apex and Kubota have the same 3100 series transaxles, the same engines, wheels and 10 ga deck. The Apex has a 4 year, (500 hr) warranty compared to the Kubota's 3. Up here the Kubota costs more, (though not by a lot). Is your dead Ariens not still covered under warranty or is Ariens not...

Hi All I'm about to purchase my first ZT mower. I expect to buy before next spring. I'm looking at an Ariens Apex and would appreciate any recommendations and or cautions before I buy. I've looked at Kubota too but believe the Apex is, pound for pound, the better buy. What say you ?