Spark Plug Gap 1.0-1.1 mm (0.039-0.043 in) (thats for a 3.5 tho)
1243
22L (liters) is 5.81 US gallons.
Engine is running extremely rich.
lr stands for long rifle(uses a bullet) I dont know where you got 22l from
Impossible to answer without more information
50-200 usd
10-1000 USD depending on specifics.
20-50 or so
No published sn data.
100 or so
Can vary from 100-400 USD or so
50-500 usd