you also have the decal on the wrong wing...the picture puts it on the right ..should be left side....neither here or there.....
don't be one of those guys that are constantly adjusting their engines....you see 'em every weekend....lots of time over adjusting the high end..and very little time flying with some colorful words in between.....
If the engine was running ok the last time you had it out, the engine should at least fire. If you can easily turn the engine by hand..but the starter won't turn it, there's the first problem....Also try to warm the engine in the car before a start....
Do you fly at a club? those guys will know all the tips to get a engine running in the cold.....