Cylinder Sleeve for Big Bore (750cc) 80mm. Pistons. Note: Stock cylinder sleeves must be removed and the cylinder block Must be bored to accept this larger sleeve and then the new sleeve must be bored to accept the new larger big bore pistons.

Stock 22 Tooth 5th. Main Gear (located on final output shaft). Replacement for original gear - OEM Ref. # 256-17251-04. 5th gear commonly wears out and the engagement dogs causing the transmission to slip out of 5th gear. Replace this gear if you have this problem (cases must be split to install). Fits: XS650's 1978-1984 Only! Note: Yamaha changed the shape of transmission gear teeth from 78 on and this is indicated by lines cut into the crest of each tooth.

Shock Absorber Set - (Monza Traditional) - Dual Progress - wound Chrome Springs & Long Black top shroud with black shock body. 13 3/16" (335mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Shock Absorber Set - (Monza Traditional) - Dual Progress - wound Chrome Springs & Long Black top shroud with black shock body. 12 3/4" (324mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Shock Absorber Set - (Monza Traditional) - Dual Progress - wound Chrome Springs & Long Black top shroud with black shock body. 11.5" (292mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Shock Absorber Set - (Monza Slimline) Chrome Springs with Black shock body. 12 1/5" (310mm) eye to eye. 10.2mm ID top & bottom. Fits: XS1/XS1b/XS2/TX650 (1970-73)

Shock Absorber Set - (Monza Slimline) Chrome Springs with Chrome shock body. 12 3/4" (324mm) eye to eye. 10.2mm ID top & bottom. Fits: XS1/XS1b/XS2/TX650 (1970-73)

Shock Absorber Set - (Monza Standard) - Chrome Springs with chrome shock body. 13 3/16" (335mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Shock Absorber Set - (Monza Standard) - Chrome Springs with chrome shock body no end cap. 12 3/4" (324mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Shock Absorber Set - (Monza Sport) - Dual Progressive wound Chrome Springs & Chrome top shroud with Black shock body. 13 3/16" (335mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Shock Absorber Set - (Monza Sport) - Dual progressive wound Chrome Springs & Chrome top shroud with Black shock body. 12.75" (324mm) eye to eye. Includes preload wrench & set of eye rubbers. Fits: 1974-84 XS/TX650's

Replacement Shock Rubbers, Spacers and Washer Set. For shocks with Eye Type Mounting Points. Fits: Our shock sets #06-3601, 06-3607, 06-3608, 06-3621, 06-3627, 06-3641, 06-3647 and some other brands. Each Set Contains all items shown (in quantities shown).

2 1/8" Chrome Heavy Duty Center Clamp with Nut & Bolt. Fits: MAC 2-1 at collector.

Replica of the Original 650 Exhaust System For 1970-73 XS1/XS1b/XS2/TX650. Features - Good Looks, Chrome finish, finned Headclamps, high quality Mufflers with original type internal components for that great original sound, Mounting hardware included. Headpipes are single thickwall type - 1.25" ID. "Best sounding system ever made for the 650"

Replica Muffler Set - Original for XS1/XS1b/XS2/TX650 (1970-73) and also used for our later model systems #07-0749 and #07-0750. Chrome Plated. 1 each of LH and RH side. "Best sounding Mufflers ever made for the 650" Includes Joint nuts, 25 1/2" long. 94mm diameter.