Specifications

13

PART ITEM
DW168 DW177 DW188
*STANDARD (MM)
*SERVICE LIMIT
(MM)
*STANDARD (MM)
*SERVICE LIMIT
(MM)
*STANDARD (MM)
*SERVICE
LIMIT(MM)
CAMSHAFT CAM height
IN
27.700 27.45 31.716 31.35 32.585 32.25
EX
27.747 27.50 31.754 31.35 32.068 31.80
Camshaft O.D.
13.966~13.984 13.916 15.966~15.984 15.92 15.966~15.984 15.92
CRANKCASE COVER Camshaft holder I.D.
14.000~14.018 14.05 16.000~16.018 16.05 16.000~16.018 16.05
SPARK PLUG Gap
0.7 ~ 0.8 - 0.7 ~ 0.8 - 0.7 ~ 0.8 -
SPARK PLUG BOOT Resistance
10k 7.5–10.5k 10k 7.5–10.5k 10k 7.5–10.5k
IGNITION COIL Resistance
Primary
1.3Ω±0.2Ω - 1.3Ω±0.2Ω - 1.3Ω±0.2Ω -
Secondary
6.4kΩ±1kΩ - 6.4kΩ±1kΩ - 6.4kΩ±1kΩ -
Air gap
0.4±0.2 - 0.4±0.2 - 0.4±0.2 -
STARTER MOTOR Brush length
10 5.5 10 5.5 10 5.5
* unless otherwise noted
toRQUe taBLe
ITEM
TORQUE
168 (N– M) 177/188 (N– M) 168 (FT–LB) 177/188 (FT–LB)
CONNECTING ROD BOLT
12–14 14–16 10 12
CYLINDER HEAD BOLT
32–35 50–55 26 41
FLYWHEEL NUT
80–90 90–115 66 85
ROCKER ARM PIVOT BOLT
28–32 28–32 24 24
CRANKCASE COVER BOLT
27–30 27–30 22 22
OIL LEVEL SWITCH JOINT NUT
6–8 6–8 6 6
FUEL FILTER, JOIN NUT
6–8 6–8 6 6
MUFFLER MOUNTING NUT
27–30 27–30 22 22
AIR CLEANER WING NUT
8–12 8–12 9 9
OIL DRAIN BOLT
20–25 25–30 18 18
FUEL TANK BOLT, NUT
8–10 8–10 7 7
AIR CLEANER MOUNTING NUT
1–2 1–2 1 1
UNSPECIFIED TORQUE VALUES
BOLT, NUT
5–7 5–7 5 5
6MM BOLT, NUT
8–12 8–12 9 9
8MM BOLT, NUT
24–28 24–28 21 21
10MM BOLT, NUT
50–55 50–55 41 41
GOVERNOR ARM RETAINER BOLT
7–9 7–9 5.2–6.6 5.2–6.6