Loading ...
Loading ...
Loading ...
Adjustments for Competition 145
Front Suspension Adjustments
1. Remove the front suspension (page 98).
2. Disassemble the fork outer tube (page 100).
3. Disassemble the fork damper (page 105).
Fork Oil Capacity:
(CRF450RX)
Standard 27.4 Ibf/in (4.8 N/mm) Fork Spring
(CRF450R/RWE)
Standard 28.6 Ibf/in (5.0 N/mm) Fork Spring
Example: Front fork characteristics when a standard spring
(CRF450RX)
(CRF450R/RWE)
(CRF450RX)
Optional Soft 26.3 Ibf/in (4.6 N/mm) Fork Spring
(CRF450R/RWE)
Optional Soft 27.4 Ibf/in (4.8 N/mm) Fork Spring
(CRF450RX)
Optional Stiff 28.6 Ibf/in (5.0 N/mm) Fork Spring
(CRF450R/RWE)
Optional Stiff 29.7 Ibf/in (5.2 N/mm) Fork Spring
4. Assemble the fork damper (page 110).
5. Refilling the fork oil (page 101).
6. Install the front suspension (page 102).
Fork Oil Adjustment
Standard
oil capacity
CRF450RX
12.2 US oz
(360 cm
3
)
CRF450R/
RWE
12.0 US oz
(356 cm
3
)
Maximum
oil capacity
CRF450RX
13.6 US oz
(402 cm
3
)
Slightly stiffer
as it nears full
compression.
CRF450R/
RWE
13.3 US oz
(392 cm
3
)
Minimum
oil capacity
CRF450RX
10.7 US oz
(317 cm
3
)
Slightly softer
as it nears full
compression.
CRF450R/
RWE
10.4 US oz
(307 cm
3
)
1 scribe mark or
no mark (factory products)
2 scribe marks or
no mark (factory products)
Force (N)
Stroke (mm)
Oil capacity 13.6 US oz (402 cm
3
)
(MAX)
Oil capacity 12.2 US oz (360 cm
3
)
(STANDARD)
Oil capacity 10.7 US oz (317 cm
3
)
(MIN)
Standard
oil capacity
CRF450RX
12.1 US oz
(358 cm
3
)
CRF450R/
RWE
12.2 US oz
(361 cm
3
)
Maximum
oil capacity
CRF450RX
13.5 US oz
(400 cm
3
)
Slightly stiffer
as it nears full
compression.
CRF450R/
RWE
13.4 US oz
(397 cm
3
)
Minimum
oil capacity
CRF450RX
10.7 US oz
(315 cm
3
)
Slightly softer
as it nears full
compression.
CRF450R/
RWE
10.6 US oz
(312 cm
3
)
Force (N)
Stroke (mm)
Oil capacity 13.3 US oz (392 cm
3
)
(MAX)
Oil capacity 12.0 US oz (356 cm
3
)
(STANDARD)
Oil capacity 10.4 US oz (307 cm
3
)
(MIN)
1 scribe mark
1 scribe mark
Standard
oil capacity
CRF450RX
11.7 US oz
(347 cm
3
)
CRF450R/
RWE
11.8 US oz
(350 cm
3
)
Maximum
oil capacity
CRF450RX
13.2 US oz
(389 cm
3
)
Slightly stiffer
as it nears full
compression.
CRF450R/
RWE
13.1 US oz
(386 cm
3
)
Minimum
oil capacity
CRF450RX
10.3 US oz
(304 cm
3
)
Slightly softer
as it nears full
compression.
CRF450R/
RWE
10.2 US oz
(301 cm
3
)
2 scribe marks
3 scribe marks
Loading ...
Loading ...
Loading ...