Honda CRF150R 2020 Owner's Manual & Competition Handbook page 102

Front Suspension Adjustments
13. Pour the recommended fork oil into the piston
rod (15) until a little oil flows out of the top of
the piston rod. Leave the piston rod for about
one minute.
14. With the fork held upright, measure the oil
level (18) from the top of the fork tube to the
fork oil.
(15)
(18)
(15) piston rod (18) oil level
15. Adjust the oil level by adding or removing oil
with an aftermarket syringe (19).
(19)
(19) syringe
96
Adjustments for Competition
Fork Oil Level (CRF150R)
Standard 19.0 lbf/in (3.33 N/mm) Fork Spring
1 coil at both ends
(factory products)
Standard oil 4.88 in
level 124.0 mm
[capacity] 12.04 US oz
(356.0 cm 3 )
Maximum oil 4.83 in
level 122.8 mm
[capacity] 12.07 US oz
3
(357.0 cm )
Minimum oil 7.43 in
level 188.7 mm
[capacity] 10.27 US oz
(303.7 cm 3 )
Optional Softer 17.9 lbf/in (3.14 N/mm) Fork Spring
2 coils at one end;
1 coil at other end
Standard oil 5.02 in
level 127.5 mm
[capacity] 11.95 US oz
(353.2 cm 3 )
Maximum oil 5.02 in
level 127.5 mm
[capacity] 11.95 US oz
(353.2 cm 3 )
Minimum oil 7.61 in
level 193.4 mm
[capacity] 10.14 US oz
(299.9 cm 3 )
Optional Stiffer 20.2 lbf/in (3.53 N/mm) Fork Spring
Standard oil
level
[capacity]
Maximum oil
level
[capacity]
Slightly stiffer as
it nears full
compression.
Minimum oil
level
[capacity]
Slightly softer as
it nears full
compression.
Slightly stiffer as
it nears full
compression.
Slightly softer as
it nears full
compression.
1 scribe mark
5.04 in
128.1 mm
11.93 US oz
3
(352.7 cm )
5.04 in Slightly stiffer as
128.1 mm it nears full
11.93 US oz compression.
(352.7 cm 3 )
7.64 in Slightly softer as
194.1 mm it nears full
10.13 US oz compression.
(299.4 cm 3 )