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,

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),