Camshaft Sprocket And Automatic-Decomp. Inspection; Cam Chain Tension No. 1 And No. 2 Adjuster Inspection - Suzuki VLR1800 Service Manual

1D-45 Engine Mechanical:
Camshaft Runout
Measure the runout using the dial gauge. Replace the
camshaft if the runout exceeds the limit.
Special tool
(A): 09900–20607 (Dial gauge (1/100 mm, 10
mm))
(B): 09900–20701 (Magnetic stand)
(C): 09900–21304 (V-block (100 mm))
Camshaft runout (IN. & EX.)
Service limit: 0.10 mm (0.004 in)
(A)
(C)
Camshaft Sprocket and Automatic-decomp.
Inspection
Inspect the camshaft sprocket and automatic-decomp. in
the following procedures:
1) Remove the intake and exhaust camshafts. Refer to
"Engine Top Side Disassembly (Page 1D-25)".
2) Inspect the teeth of each camshaft sprocket for wear
or damage.
If they are worn or damaged, replace the camshaft
assembly and cam chain as a set.
3) Inspect the automatic-decomp. for damage and
smooth operation. If there are unusual, replace the
camshaft assembly and cam chain as a set.
CAUTION
!
Do not attempt to disassemble the cam
sprockets and automatic-decomp. assembly.
They are unserviceable.
4) Install the intake and exhaust camshafts. Refer to
"Engine Top Side Assembly (Page 1D-30)".
Cam Chain Tension No. 1 and No. 2 Adjuster
Inspection
The cam chain tension No. 1 and No. 2 adjusters are
maintained at the proper cam chain tension
automatically.
1) Remove the cam chain tension No. 1 and No. 2
adjusters, front and rear adjuster. Refer to "Engine
Bottom Side Disassembly (Page 1D-59)" and
"Engine Top Side Disassembly (Page 1D-25)".
2) Unlock the ratchet (1), and move the push rod in
place to see if it slides smoothly. If any stickiness is
noted or ratchet mechanism is faulty, replace the
cam chain tension adjuster assembly with a new
(B)
one.
I822H1140116-01
B822H11406010
3) Install the cam chain tension No. 1 and No. 2
adjusters. Refer to "Engine Bottom Side Assembly
(Page 1D-68)" and "Engine Top Side Assembly
(Page 1D-30)".
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1 "C"
"B"
"A": Front cam chain tension No. 1 adjuster
"B": Rear cam chain tension No. 1 adjuster
"C": Front cam chain tension No. 2 adjuster
"D": Rear cam chain tension No. 2 adjuster
B822H11406012
"A"
"D"
1
I822H1140123-02