Jets
Hitachi carburetor jets.
Overview
Main jets are accessible without removing the carburetor
The other jets & bleeds are accessible after removing the carb top
Main Jet
16033, 16034 (16033M). 16033 is usually primary and 16034 secondary, but they are used both ways.
Hitachi jets are available from Yamaha carburetors.
16033-K2060 16033-H6200 16033-61A00 B12 16033-34M13 #82 16033-41M00 #82 16033-B0113 #85 16033-05M00 #87 16033-B0112 #88 16033-K2000 #89 16033-33M12 #90 16033-Q1801 #91 16033-13M07 #91 16033-B0111 #92 16033-18015 #92 16033-18017 #92 16033-B0110 #94 16033-B0115 #94 16033-H9920 #94 16033-Q1800 #94 16033-21615 #96 16033-14811 #96 16033-H9970 #96 or #94? 16033-L0101 #97 16033-U6700 #97 16033-U2000 #97.5 16033-H9971 #98 baseline jetting for B110 16033-B8000 #99 16033-23019 #100 16033-W1100 #100 16033-U6810 #101 16033-H7200 #102 16033-14815 #102 16033-U9610 #102 16033-79000 16033-23M60 16033-03B01 16033-M4900 #103 16033-B8500 #103 16033-H7300 #104 16033-M5901 #105 16033-B8560 #105 16033-M5900 #106 16033-S2060 #106 16033-U7700 #107 16033-H8315 #107 16033-23017 #108 16033-W6800 #108 16033-S5800 #109 16033-S5801 #110 16033-D1700 #111 16033-N0918 #112 16033-79501 #112 16033-M6760 #113 16033-H9500 #114 16033-C5703 #115 16033-23015 #115 16033-21M00 #116 16033-23115 #117 16033-H9501 #125 16033-79401 #130 16033-P3010 #132 16033-C7400 #133 16033-23M20 #135 baseline jetting for B110 16033-Q1802 #140 16033-H9920 #143 16033-H7206 #145 16033-W0401 #155 16033-W5900 #158 16033-U6705 #160 16033-Y4010 #165 16033-U2005 #170 16033-W8900 #170 16033-07L00 #190 16034-19915 #98 16034-21615 #150 16034-25715 #140
Emulsion Tubes
16208 & 16209
Slow Jets
16053 & 16054 & 16055
16054-21015 #145 16054-U6700 #48
16055-H8200 #43 16055-H7200 #45 16055-04W60 #50 16055-K2060
16135-33815 #135
Top
16050 BLEED-STEP AIR 16204 BLEED-SLOW AIR
16050-W6800
16051-H7201 #170
16204-H9510 #140 16204-10W00 #145 16204-46L10 #145 16204-B9803 16204-B9840
16059 Power Valve
Power Jet comes into play on full throttle -- unless the internal plunger is leaking, then it's always on and fuel economy plummets.
16059-14810 #52 #60 16059-H8300 16059-M2510 16059-G2600 #49
B110 #60
B120 -7907 #60 7908-8109 H8300 8109- #49
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