Nice bike! 5-series NGK plugs are usually ideal for Scotts. Plug gap should not be excessive – ca. 0.020″ – 0.022″ (0.5 – 0.55mm) is suitable for magneto ignition.
Two-strokes love petrol – lots of it! When cold, flood the carburettor with the tickler – ignition should be retarded a little bit from fully advanced position – throttle open about 1/8 – then kick down smartly. After about 3 kicks it should start. When the engine is warm, flooding of carburettor should not be necessary – it will normally start at first kick if ignition and throttle is in same position as above.
These procedures work well with my bikes, but I am sure that there will be different opinions from other owners. Give it a try!