Yamaha SR250

Yamaha SR250

Infobox Motorcycle
name = Yamaha SR250


manufacturer = Yamaha
production = 1980-1982
predecessor =
successor =
parent_company =
class = Naked bike
platform =
engine = 249 cc Single cylinder
transmission = 5-speed sequential
rake =
trail =
wheelbase =
length =
width =
seat_height =
dry_weight = 289 lb (189 kg)
wet_weight =
fuel_economy = 60 mpg combined
fuel_capacity = 2.5 Gallons
related = Yamaha SR500
similar = Suzuki GN250

The Yamaha SR250 is a single cylinder, air cooled motorcycle produced from 1980 to 1982 in the United States. Similar to its older brother the SR500, the SR250 is very much a commuter bike. With a top speed of only 72 miles per hour, and only 249cc of displacement, it's not a canyon carver by any means, but at 60+ miles per gallon, and with aircooled reliability, it's an excellent commuter bike.

ENGINE TUNE-UP SPECIFICATION AND ADJUSTMENTS: AT NORMAL OPERATING TEMPERATURE, PUT VEHICLE IN THE UPRIGHT POSITION, TRANSMISSION IN NEUTRAL, AND WARM UP ENGINE.

ITEM SPEC INSTRUCTIONS

1. IGNITION TIMING 10degrees BTDC AT IDLE SPEED NO ADJUSTMENT2. IDLE SPEED (RPM) 1200 ADJUST THROTTLE STOP SCREW3. IDLE MIXTURE NO ADJUSTMENT4. VALVE CLEARANCE (MM) IN : 0.08 EX : 0.15 SEE SERVICE MANUAL5. SPARK PLUG: NGK BP7ES, 7. SPARK PLUG GAP (MM) : 0.7~0.88. FUEL SPECIFICATIONS REGULAR (LEADED)9. RESEARCH OCTAINE: 91 MIN 10. ENGINE OIL: SAE 20W/40 TYPE "SE"


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