1940's era motorcycle racing, leather motorcycle helmets, checkered flag, dirt track, (early Harley Davidson motorcycles, bobber motorcycles, detailed motorcycle, detailed motor, detailed tires, proportional motorcycle frames), detailed faces, detailed riders, poster style picture, frank frazzeta style,

FastNegativeV2,(bad-artist:1.0), (loli:1.2), (worst quality, low quality:1.4), (bad_prompt_version2:0.8), bad-hands-5,lowres, bad anatomy, bad hands, ((text)), (watermark), error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, ((username)), blurry, (extra limbs), bad-artist-anime, badhandv4, EasyNegative, ng_deepnegative_v1_75t, verybadimagenegative_v1.3, BadDream,(three hands:1.1),(three legs:1.1),(more than two hands:1.4),(more than two legs,:1.2),