Yamaha Badger Raptor 80 Manual
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– 15 – CHK ADJ Air intake restrictor plate removal Refer to “AIR FILTER CLEANING”. NOTE: To obtain full engine performance capability, removing the air intake restrictor plate 1 is required. Since removal of this plate will result in a significant increase in power, turn the speed limiter completely back in again. 1 AIR FILTER CLEANING NOTE: There is check hose 1 at the bottom of the air filter case. If dust and/or water collects in this hose, clean the air filter element and air filter case. 1.Remove: Front panel Refer to “SEAT, FENDERS AND FUEL TANK”. 1 2.Remove: Air filter cover 1 3.Remove: Rubber band 2 4.Pull out the air filter element assembly. 5.Remove: Guide Air filter element 3 Air intake restrictor plate 4 CAUTION: The engine should never be run without the air filter element; excessive piston and/or cylinder wear may result. 1 34 2 SPEED LIMITER ADJUSTMENT/ AIR FILTER CLEANING
– 16 – CHK ADJ AIR FILTER CLEANING 6.Check: Air filter element Damage → Replace. 7.Clean: Air filter element *********************************************** Cleaning steps: Wash the element gently, but thoroughly in solvent. WARNING Never use low flash point solvents such as gasoline to clean the air filter element. Such solvent may lead to a fire or explo- sion. Squeeze the excess solvent out of the ele- ment and let dry. CAUTION: Do not twist the filter element when squeezing the filter element. Apply the engine oil. Squeeze out the excess oil. NOTE: The element should be wet but not dripping. *********************************************** 8.Install: Air filter element NOTE: Make sure its sealing surface matches the sealing surface of the case so there is no air leak.
– 17 – CHK ADJ SPARK ARRESTER CLEANING SPARK ARRESTER CLEANING 1.Clean: Spark arrester *********************************************** Cleaning steps: WARNING Select a well-ventilated area free of com- bustible materials. Always let the exhaust system cool before performing this operation. Do not start the engine when removing the tailpipe from muffler. Remove the screws 1. Remove the tailpipe 2 by pulling it out of the muffler. Tap the tailpipe lightly with a soft-face ham- mer or suitable tool, then use a wire brush to remove any carbon deposits from the spark arrester portion of the tailpipe and the inner contact surfaces of the muffler. Insert the tailpipe into the muffler and align the bolt holes. Insert the bolt and tighten it. Remove the purging bolt 3. Start the engine and rev it up approximately twenty times while momentarily creating exhaust system back pressure by blocking the end of the muffler with a shop towel. Stop the engine and allow the exhaust pipe to cool. Install the purging bolt 3 and tighten it. *********************************************** 2 1 2 3
YAMAHA MOTOR CO., LTD. 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U.S.A.