Anyone try an oil additive before ?

Holy salmon, 20:1 full synthetic?! I can understand your concern, but jeez - seems a bit over the top there.

I picked up some synthetic blend the other day, dunno what the percentages are yet (not listed on bottle), but this will be my first experience with synthetic in over 2.5 years of riding! I split a 6.5 oz bottle in half and dropped that to a gallon, so I should be at roughly 35/40:1. I'm hoping it turns out well, It's the weekend, so I'll have to go do some serious riding to dry my tank before I drop it in.
 
16:1 just for break in

I run such a rich mix only for the first 2 tanks then I go to 20:1 at least once everything is humming along fine. My paperwork from Grubee with my first motor said 16:1 for break in then 25:1 after that but I worry about running to lean on these chez whiz type bearings and bushings. I don't think I would ever run one at 50:1 much less the 100:1 that AMSoil says you can run there product at. I think 20 or 25:1 is good for these little things. I'm not getting any smoke even at 16:1 and I'm not having any running issues or fouled up plugs. I run an NGK BP6 and my plug is nice with no gunk. I'm only at about 300 ft above see level here. Even with temps in the 40's my bike starts right up with a little choke flap and after 1 minute no need for that. So I don't know maybe i could sqeeze some more top end at wide open with a leaner mix but I think I'll stay at 25:1 as my leanest mix just to give the cheap bearings some lube especially if I'm not having any running issues.
 
I run such a rich mix only for the first 2 tanks then I go to 20:1 at least once everything is humming along fine. My paperwork from Grubee with my first motor said 16:1 for break in then 25:1 after that but I worry about running to lean on these chez whiz type bearings and bushings. I don't think I would ever run one at 50:1 much less the 100:1 that AMSoil says you can run there product at. I think 20 or 25:1 is good for these little things. I'm not getting any smoke even at 16:1 and I'm not having any running issues or fouled up plugs. I run an NGK BP6 and my plug is nice with no gunk. I'm only at about 300 ft above see level here. Even with temps in the 40's my bike starts right up with a little choke flap and after 1 minute no need for that. So I don't know maybe i could sqeeze some more top end at wide open with a leaner mix but I think I'll stay at 25:1 as my leanest mix just to give the cheap bearings some lube especially if I'm not having any running issues.

I am running at 30.1 sparkplug looks good
 
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