1979 Street Bike XS400 Parts XS400 (3N7) [999] and 1 more model XS400 (3N7) [999]XS250 (3N6) [999] Parts & Diagrams Engine Information Most Popular Parts Parts & Diagrams BRAKE CAMSHAFT & CHAIN CARBURETOR CARBURETOR CLUTCH CRANKCASE CRANKCASE COVER 1 CRANKSHAFT & PISTON CYLINDER HEAD ELECTRICAL 1 ELECTRICAL 2 EXHAUST FENDER FLASHER LIGHT FLASHER LIGHT 2 FRAME FRONT FORK FRONT MASTER CYLINDER FRONT WHEEL FUEL TANK GENERATOR GOVERNOR HEADLIGHT HEADLIGHT HEADLIGHT 2 INTAKE METER NO TITLE OIL PUMP & FILTER REAR ARM & SUSPENSION REAR WHEEL SEAT SHIFTER SHIFTER SIDE COVER STAND & FOOTREST STARTER STARTING MOTOR STARTING MOTOR UNIT STEERING STEERING-CABLES TAILLIGHT TRANSMISSION VALVE Engine Specifiations forXS400 (3N7) [999] Engine Specifiations not available TOP SELLING ITEMS FOR YOUR 1979 Street Bike XS400 [ XS400 (3N7) [999] ] Yamaha Motors HORN 2L0-83371-20-00 USD 44.95 44.95 44.95 2019-01-01 $44.95 You save $12.04. (21%) See details Yamaha Motors 2L0-83550-01-00 2L0-83550-00-00 USD 23.19 23.19 23.19 2019-01-01 $23.19 You save $5.80. (20%) See details Yamaha Motors 2L0-27432-01-00 2L0-27432-00-00 USD 27.99 27.99 27.99 2019-01-01 $27.99 You save $7.00. (20%) See details Yamaha Motors 93306-30437-00 93306-30416-00 USD 31.99 31.99 31.99 2019-01-01 $31.99 You save $8.00. (20%) See details Yamaha Motors LEVER,CAMSHAFT 1L9-25355-00-00 USD 48.79 48.79 48.79 2019-01-01 $48.79 You save $12.20. (20%) See details Yamaha Motors DAMPER 1U4-25364-00-00 USD 49.95 49.95 49.95 2019-01-01 $49.95 You save $14.04. (22%) See details Yamaha Motors BREAKER PLATE ASY 1L9-81620-51-00 USD 168.79 168.79 168.79 2019-01-01 $168.79 You save $42.20. (20%) See details Yamaha Motors OIL SEAL 1L9-23145-00-00 USD 18.39 18.39 18.39 2019-01-01 $18.39 You save $4.60. (20%) See details Yamaha Motors COVER,UPPER 2 2L0-23131-00-93 USD 49.95 49.95 49.95 2019-01-01 $49.95 You save $14.04. (22%) See details Yamaha Motors COVER,UPPER 1 2L0-23121-00-93 USD 31.19 31.19 31.19 2019-01-01 $31.19 You save $7.80. (20%) See details Yamaha Motors 2L0-24500-02-00 2L0-24500-01-00 USD 87.19 87.19 87.19 2019-01-01 $87.19 You save $21.80. (20%) See details Yamaha Motors BODY ASY 1L9-84330-61-33 USD 69.95 69.95 69.95 2019-01-01 $69.95 You save $18.04. (21%) See details
Yamaha Motors HORN 2L0-83371-20-00 USD 44.95 44.95 44.95 2019-01-01 $44.95 You save $12.04. (21%) See details
Yamaha Motors 2L0-83550-01-00 2L0-83550-00-00 USD 23.19 23.19 23.19 2019-01-01 $23.19 You save $5.80. (20%) See details
Yamaha Motors 2L0-27432-01-00 2L0-27432-00-00 USD 27.99 27.99 27.99 2019-01-01 $27.99 You save $7.00. (20%) See details
Yamaha Motors 93306-30437-00 93306-30416-00 USD 31.99 31.99 31.99 2019-01-01 $31.99 You save $8.00. (20%) See details
Yamaha Motors LEVER,CAMSHAFT 1L9-25355-00-00 USD 48.79 48.79 48.79 2019-01-01 $48.79 You save $12.20. (20%) See details
Yamaha Motors DAMPER 1U4-25364-00-00 USD 49.95 49.95 49.95 2019-01-01 $49.95 You save $14.04. (22%) See details
Yamaha Motors BREAKER PLATE ASY 1L9-81620-51-00 USD 168.79 168.79 168.79 2019-01-01 $168.79 You save $42.20. (20%) See details
Yamaha Motors OIL SEAL 1L9-23145-00-00 USD 18.39 18.39 18.39 2019-01-01 $18.39 You save $4.60. (20%) See details
Yamaha Motors COVER,UPPER 2 2L0-23131-00-93 USD 49.95 49.95 49.95 2019-01-01 $49.95 You save $14.04. (22%) See details
Yamaha Motors COVER,UPPER 1 2L0-23121-00-93 USD 31.19 31.19 31.19 2019-01-01 $31.19 You save $7.80. (20%) See details
Yamaha Motors 2L0-24500-02-00 2L0-24500-01-00 USD 87.19 87.19 87.19 2019-01-01 $87.19 You save $21.80. (20%) See details
Yamaha Motors BODY ASY 1L9-84330-61-33 USD 69.95 69.95 69.95 2019-01-01 $69.95 You save $18.04. (21%) See details
