Honda CRF150R 2020 Owner's Manual & Competition Handbook page 127

11. Change the main jet (5) and slow jet (6) as
required.
Main jet;
1.1 lbf·ft (1.5 N·m, 0.2 kgf·m)
Slow jet:
1.1 lbf·ft (1.5 N·m, 0.2 kgf·m)
(5)
(6)
(5) main jet (6) slow jet
12. Reinstall the float bowl plug and tighten it to
the specified torque:
3.6 lbf·ft (4.9 N·m, 0.5 kgf·m)
If you've determine that the jet needle or clip
position of jet needle must be changed, you must
remove the carburetor top.
13. Rotate the carburetor to the right and remove
the carburetor top screws (7), cable clamp (8)
and carburetor top (9).
14. Remove the jet needle/holder assembly (10).
(9)
(8)
(7)
(7) carburetor top screws (9) carburetor top
(8) cable clamp (10) jet needle/holder
assembly
15. Remove the clip (11) and jet needle (12) from
the jet needle holder (13).
(13)
(11)
(11) clip (13) jet needle holder
(12) jet needle
16. Change the clip position of jet needle or jet
needle as required.
17. Reinstall the jet needle/holder assembly and
tighten it to the specified torque:
1.3 lbf·ft (1.8 N·m, 0.18 kgf·m)
18. Reinstall the carburetor top, cable clamp and
carburetor top screws. Tighten the carburetor
top screws to the specified torque:
1.5 lbf·ft (2.1 N·m, 0.2 kgf·m)
Carburetor Adjustments & Tuning Tips
19. Rotate the carburetor and align the tabs (14)
on the carburetor with the grooves (15) on the
insulator and connecting tube.
20. Tighten the connecting tube clamp screw (16)
so the gap between the tabs of the clamp is
0.1 ± 0.04 in (3 ± 1 mm).
(10)
(15)
(14) tabs
(15) grooves
(12)
(15)
(14) (16)
(16) connecting tube clamp screw
0.1 0.04 in (3 1 mm)
(cont'd)
121
Adjustments for Competition