Engine Tachometer Drive Oil Seal OEM Seal #93104-07036 Ars SO 7-13-4 HS

Engine Kickstart Shaft Oil Seal OEM Seal #93102-25064 Ars SD 25-35-7-2HS

Engine Crankshaft Oil Seal on Alternator (Left Hand) side. OEM Seal# 93102-25121/25090 Ars SD 25-40 9-L-1 HS

Engine Transmission Shift Shaft Oil Seal OEM Seal# 93109-14010 Ars SDD 14-24-6

High Performance Camshaft and matching performance Valve Spring Kit (Sold as a kit Only). Cam fits 1974-84 447/533 type engines only. Camshaft has removable 36 tooth drive sprocket and kit includes special valve stem seals, Valve Springs and clearance spring caps (No valve guide mods needed). Cams are machined from New Billets (Not a regrind or hard-weld). No core is required or accepted. New installed internal bushings included. Designed as a bolt in kit requiring timing to stock marks to install. See specifications and Dyno test sheet for more info. Dyno Test Sheet | Camshaft Specifications & Instructions

Stock Type Magnetic Drain Plug. OEM Ref.# 256-15351-00. Fits: All 650's 1970-84 Note: Each engine has 2 drain plugs

Overhaul Gasket Set - Made in Italy by Athena (A European original equipment supplier to Yamaha, Honda, Kawasaki, Suzuki and all major Italian bike makers. Top Quality ISO-9000 approved. Premium Gasket Kit. Athena sets contain more pieces than any other brand. Contains: 18-0672 x 1, 18-0673 x 3, 18-0675 (1pr.),18-0852 x1, 18-0855 x 1, 18-0856 x1, 18-0857 x 1, 18-0858 x1, 18-0860 x1, 18-0862 x1, 18-0863 x2, 18-0864 x1, 18-0865 (1pr.), 18-0869 x1, Valve Stem Seals 01-0115 x 4, and (18-0851 Base Gasket Do not use gasket cement on this special Gasket). Fits: 1972-84 650's Note: Gasket Sets do NOT contain copper washers, engine oil seals, cylinder head sealing washers, tach drive or cam chain tensioner o-rings/gaskets. These are available separate.

Tall Chrome Crown Nut Set (6pc. Used on Bottom of Crankcase). 8mm x 1.25 thread x 19mm tall (use 12mm wrench). Replaces OEM# 90176-08019.

Chrome Cylinder Guide Bar Nut (Pk/2) Fits: into Front/center of cylinder casting on All 650's 1970-84.

Chrome Cylinder Guide Bar Bolt (Pk/2). Bolt Passes thru cylinder guide bar nuts located at Front/center of cylinder casting and secures cam chain guide bar to cylinder casting (inside cam chain tunnel). Fits: All 650's 1970-84

Polished Chrome Crown Nuts (pk./10) - 8mm. x M1.25 thread.

Polished Chrome Crown Nuts (pk./10) Short type - 10mm. x M1.25 thread x 16mm. high (17mm. hex)

XS Performance 1st. Oversize (81mm) Forged Big Bore Piston Kit. Piston includes ring set for 1 piston, piston pin(1) and pin clips(2). Forged Piston features: 1. - Valve pockets cut for large valves. 2. - Mos2 treated piston skirts. 3. - Oil channel for enhanced wrist pin oiling. 4. - 20mm. piston pins that are internally tapered to ends for weight reduction. 5. - Lightweight 9:1 piston assembly weight of approx. 340 Grams. Fits to - 1974-84 - 447 type engines with Big Bore (750cc.) cylinders.

Replacement piston Ring Set to fit XS Performance 81mm. Pistons (XS#05-0753) Set = Rings for one 81mm. (1st. over) piston.

Replacement piston Ring Set to fit XS Performance 80mm. Pistons. Set = Rings for one 750cc. XS Performance 80mm. (Standard size) Piston.