Gday guys ,i have a honda atc 200e 1982,ive worked the engine a bit and now find it tops out in top gear really easy,can I get a 12 or 13 tooth front sprocket,std is 11.Its not just a flat sprocket but a splined part about 3 or 4 inches long.Also who regrinds cams for thes babys.Thanks Gary![]()