On 2019-07-04 1:14 p.m., Wade Garrett wrote:
On 7/4/19 11:41 AM, Vic Smith wrote:
On Thu, 4 Jul 2019 08:34:48 -0400, Wade Garrett wrote:

On 7/3/19 11:44 PM, Sirgerlad wrote:
replying to Tony Hwang, Sirgerlad wrote:
So, what do you use to clean the carbon buildup on the top of the
piston

Wooden popsicle stick or similar. Nothing metal!

Copper tools work fine.

I dunno about that. I'd think it would depend on the hardness of the
particular alloys. Go with popsicle sticks....they're safer and you get
to eat the popsicles first ;-)

take the spark plug out and pull the cord