Clutch Disc/Plate/Spring Inspection; Clutch Disc/Plate Installation - Honda CRF450L 2019 Owner's Manual & Off-Road Handbook

Clutch System

Clutch Disc/Plate/Spring Inspection

• Replace the clutch discs (1) if they show signs of
scoring or discoloration.
Measure the thickness of each clutch disc.
Service Limit: 0.112 in (2.85 mm)
Replace the clutch discs and clutch plates as a
set.
(1)
(1) clutch discs
• Check the clutch plates (2) for excessive
warpage or discoloration.
Check the plate warpage on a surface plate using
a feeler gauge.
Service Limit: 0.006 in (0.15 mm)
Replace the clutch discs and plates as a set.
(2) clutch plates
84
Servicing Your Honda
• Check the clutch springs (3) for wear or damage.
Measure the thickness of each clutch spring.
Service Limit: 1.79 in (45.5 mm)
Replace the clutch spring as a set.
(3)
(3) clutch springs
• If you feel the clutch slippage when replacing the
clutch discs and plates, replace the clutch
springs.
(2)

Clutch Disc/Plate Installation

1. Install the spring seat (1) and judder spring (2)
onto the clutch center as shown.
Coat the clutch discs with engine oil.
2. Install the clutch disc A (larger I.D. disc) (3) onto
the clutch outer.
Stack the six clutch plates (4), five clutch discs B
(5) alternately while aligning the lugs (6) of the
clutch center with the groove (7) of the clutch
plates as shown.
Install the clutch disc C (8) by aligning its tabs (9)
with the shallow slots (10) of the clutch outer.
(9)
(6)
(10)
(5)
(8)
(4)
disc C disc B
(1) spring seat (6) lugs
(2) judder spring (7) groove
(3) clutch disc A (8) clutch disc C
(4) clutch plates (9) tabs
(5) clutch discs B (10) shallow slots
(7)
(1)
(2)
(3)
disc A