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MODEL
MAIN JET

CLIP
SLOW JET
FUEL SCREW
AIR SCREW
LEAK JET
NOTES
Yamaha
YZ80 93 stock

 270

3

35

N/A

1 1/2

N/A

  
Power Reeds (648) 
 270
3
35
N/A
1 1/2
N/A
 
RAD Valve (RAD-30A)
 270
3
35
N/A
1 1/2
N/A
 
 
YZ80 94 stock

290

4

35

N/A

1.5-1.75

N/A

  
Power Reeds (648)
270
4
35
N/A
1.5-1.75
N/A
 
RAD Valve (RAD-30A)
270
4
35
N/A
1.5-1.75
N/A
 
 
YZ80 95 stock

290

4

 35 

N/A

1 3/4

N/A

  
Power Reeds (648)
270
4
35
N/A
1 3/4
N/A
 
RAD Valve (RAD-30A)
270
4
35
N/A
1 3/4
N/A
 
 
YZ80 98-00 stock
300
3
32.5
N/A
1 3/4
N/A
 
Power Reeds (648)
280-290
3
32.5
N/A
1 3/4
N/A
 
PRO Series (PRO-58)
280-290
3
32.5
N/A
1 3/4
N/A
 
RAD Valve (RAD-30A)
280-290
3
32.5
N/A
1 3/4
N/A
 
 
YZ80 01 stock
300
3
32.5
N/A
1 3/4
N/A
 
Power Reeds (648)
280-290
3
32.5
N/A
1 3/4
N/A
 
PRO Series (PRO-58)
280-290
3
32.5
N/A
1 3/4
N/A
 
RAD Valve (RAD-30A)
280-290
3
32.5
N/A
1 3/4
N/A
 
YZ85 02 stock
138
2
45
N/A
2
N/A
 
Power Reeds (6105)
138
2
45
N/A
2
N/A
 
PRO Series (PRO-165)
138
2
45
N/A
2
N/A
 
RAD Valve (RAD-30B)
138
2
45
N/A
2
N/A
 
 
YZ85 03 stock
138
2
45
N/A
2
N/A
 
Power Reeds (6105)
138
2
45
N/A
2
N/A
 
PRO Series (PRO-165)
138
2
45
N/A
2
N/A
 
RAD Valve (RAD-30B)
138
2
45
N/A
2
N/A
 
 
YZ85 04 stock
138
2
45
N/A
2
N/A
 

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