Clymer Yamaha 250-400cc 2 Stroke Twins Service Manual - 1965-1977.  Covers DS6, DS7, RD250, YDS3, YDS5, YM1, YM2, R3, R5, RD350, YR1, YR2, RD400.

Good used condition for age, clean inner pages, solid & complete, some wear/handling. 

Sections on:  General Information - Periodic Maintenance/TuneUp - Troubleshooting - Engine/Transmission/Clutch - Fuel/Exhaust - Chassis/Suspension/Steering - Performance Improvement - Electrical - Specifications.

Good value for repairs & restorations!  Thanks for looking.  Free Media Mail Shipping (est. 1-2 weeks) or $9.00 (Priority Mail) within USA.

Payment within 3 days is expected.