UPDATE : Boyesen is in the process of a website upgrade. Until our new store is up and operating, please use a local dealer or
online retailer to make your purchase. We apologize for this inconvenience and will have web sales back as soon as we are able.

Boyesen Engineering

Skip to Main Content »

BE SOCIAL: 
Search Site
MODEL
MAIN JET

CLIP

SLOW JET
FUEL SCREW
AIR SCREW
LEAK JET
NOTES
HONDA
CR80 87-95 - stock

125

3

52

N/A

2

N/A

 
Power Reeds (631)
122-125
3
50
N/A
2
N/A
 
PRO Series (PRO-60)

122

3

50

N/A

2

N/A

 

CR80 96-02 - stock

125

3

50

N/A

2

N/A

 

Power Reeds (631)

122-125

3

50

N/A

2

N/A

 
PRO Series (PRO-60)

122

3

50

N/A

2

N/A

 
 
CR85 03-07 - stock
125
3
52
N/A
1 1/2
N/A
 
Power Reeds (631)

122-125

3

52

N/A

1 1/2

N/A

 
PRO Series (PRO-60)
122
3
52
N/A
 1 1/2
N/A
 
 

 
CR125 05-07 - Stock
420
3
55
N/A
2
N/A
 
Power Reeds (6127)
410
3
50
N/A
1 1/2-2
N/A
 
PRO Series (PRO-214)
410
3
50
N/A
1 1/2-2
N/A
 
RAD Valve (RAD-01J)
410
3
50
N/A
1 1/2-2
N/A
 
 
CR125 2004 - Stock
420
3
40
N/A
2
N/A
 
Power Reeds (6117)
410
3
40
N/A
2
N/A
 
PRO Series (PRO-198)
410
3
40
N/A
2
N/A
 
RAD Valve (RAD-01I)
400
3
40
N/A
2
N/A
 
 
CR125 2003 - Stock
430
3
30
N/A
1 3/4
N/A
 
Power Reeds (6109)
430
3
30
N/A
1 3/4
N/A
 
PRO Series (PRO-180)
430
3
30
N/A
1 3/4
N/A
 
RAD Valve (RAD-01H)
410-420
3
30
N/A
2
N/A
 
 
CR125 2002 - Stock
400
3
32.5
N/A
2.15
N/A
 
Power Reeds (695)
390-400
3
32.5
N/A
2.15
N/A
 
PRO Series (PRO-144)
390-400
3
32.5
N/A
2.15
N/A
 
RAD Valve (RAD-01G)
380
3
32.5
N/A
2
N/A
 
 
CR125 2001 - Stock
380
2
45
N/A
2 1/4
N/A
 
Power Reeds (695)