I read that the cylinders on the 2003 CR85's were recalled. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high. I have tried different jetting setups, new spark plugs, and new air filter. Honda CR85R / CR85RB Expert 2006, Complete Engine Oil Seal Kit by AthenaВ®. I have checked the engine for air leaks and don't find any. I have since changed the crankshaft oil seal on flywheel side. I bought the bike used several months ago so I don't know if it was an original or aftermarket piston that broke. K&S Complete Engine Gasket set CR 80/85 1983-2004. Wiseco piston kit 833M04750 CR85, 2003-2004 PRO-LITE 47.5mm Wiseco piston Kit (Piston, Rings, Pin and Clips) 5. It had normal bottom end power prior to the piston failure. Brand new CR85 Honda cylinder head 1996-2004. Now after piston failure I am running 32:1. Prior owner of bike said he had always ran it that way. This excellent quality 10 piece gasket kit has all you need to get. Prior to failure I was running oil/gas mixture of 50:1. Brand New 2FastMoto Honda CR85R and CR85RB Expert 2005-2007 complete engine gasket kit. It is much stronger and faster, compared to prior to piston failure. Acouto Car Carburetor Carb Replacement Part for PE28 28mm Fit for Honda CR80 CR80RB 1996-2002 CR85 CR85R 2003. It cranks and idles fine, but when you try and take off in 1st gear you have to rev the engine and dump the clutch to get it going, then if you don't feather the clutch and rev it up to keep it going it bogs down and will die. New piston, rings, wristpin, and head gaskets were installed. Recently the piston skirt broke while riding.

Honda cr85 engine