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General Minitrail Talk
Tech Area
PZ19 Jetting for TB88cc
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<blockquote data-quote="JR86" data-source="post: 203124" data-attributes="member: 18402"><p>Hello gents.</p><p></p><p>I have recently purchased a china PZ19 that I wanted to test on my CT70 88cc as an alternative to the Sheng wey PZ20 that came with it.</p><p></p><p>I found my sheng wey carb ran best with a #90 main jet in it.</p><p></p><p>I have disassembled this PZ19 and found no numbers on either of the jets. Using precision Pin gages I found the main jet to have a diameter of 0.029" which from a chart I found translates out to a #78.</p><p></p><p>Before I even bother strapping this thing on my bike I was just curious where the rough point is for 88cc kits with this carb. the 78 seems a bit light when I was using a 90 on the PZ20.</p><p></p><p>I know a few of you guys really like those PZ19s as an alternative to sheng wey so I figured I'd give it a try. hope they chime in.</p></blockquote><p></p>
[QUOTE="JR86, post: 203124, member: 18402"] Hello gents. I have recently purchased a china PZ19 that I wanted to test on my CT70 88cc as an alternative to the Sheng wey PZ20 that came with it. I found my sheng wey carb ran best with a #90 main jet in it. I have disassembled this PZ19 and found no numbers on either of the jets. Using precision Pin gages I found the main jet to have a diameter of 0.029" which from a chart I found translates out to a #78. Before I even bother strapping this thing on my bike I was just curious where the rough point is for 88cc kits with this carb. the 78 seems a bit light when I was using a 90 on the PZ20. I know a few of you guys really like those PZ19s as an alternative to sheng wey so I figured I'd give it a try. hope they chime in. [/QUOTE]
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PZ19 Jetting for TB88cc
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