Note that there is a water stain throughout the manual

There are a couple hand written notes on the memo page

GT250K 1973 247 GT250 HUSTLER STREET

# 99011-14321-01B   NOS  New Old Stock

YAMAHA AT CT1 GT HT1 JT1 LT MX RD Ignition Points Set 207-81321-10 / 207-81321-11 / 207-81321-90 SUZUKI DS100 1980 Factory Owner's Manual #A317 Note that there is aYAMAHA Ignition Contact Breaker Points Set OEM Ref. # 207 81321 10 207 81321 11 207 81321 90 90 002600200 NOS New Old Stock. B5 7 G Fits AT1E 1969 125 AT1 Enduro Dual Purpose AT1M 1969 125 AT1M Enduro Dual Purpose AT1MB 1970 125 AT1M Enduro Dual Purpose AT1MX 1971 125 AT1MX Enduro Dual Purpose AT2M 1972 125 AT2M Enduro Dual Purpose ATMX 1973 125 ATMX Enduro Dual Purpose CT1 1969 175 CT1 Dual Purpose CT1B 1970 175 CT1 Dual Purpose CT1C 1971 175 CT1