Engine 170F
E-1 CRANKCASE ASSY.
1 Drain plug
2 Washer
3 990723 Bearing 6205
4 990730 Oil seal, crankshaft
5 990633 Crankcase
6 Regulating sway bar
7 Washer
8 Split pin
9 Nut M10
10 990690 Oil sensor
11 Bolt M6×14
12 Regulating shaft
13 Washer, driven gear
14 Pin
15 Driven gear, regulator
16 Flying block
17 990710 Driven gear assy, regulator
18 Snap ring
19 Washer
20 Sliding sleeve
15
Engine 170F
E-2 CRANKCASE COVER ASSY.
1 990776 Oil plug with Seal
2 Oil plug
3 Seal
4 990651 Crankcase cover
5 990723 Bearing 6205
6 990701 Gasket, crankcase
7 Set pin
8 Dipstick
9 990770 Dipstick with seal
10 990732 Oil seal, crankshaft
11 Bolt M8×32
16
Engine 170F
E-3 CYLINDER HEAD ＆CYLINDER HEAD COVER ASSY
1 Bolt M6×12
2 Air duck
3 Intake valve guide
4 Lead wind cover
5 Stud M6×109
6 990380 Set pinφ10×16
7 990371 Gasket, cylinder head
8 990431 Cylinder head Assy
9 990410 Stud M8×34
10 990420 Spark plug F6TC
11 990390 Exhaust valve guide
12 Circlip
13 Bolt
14 990360 Gasket, cylinder head cover
15 990350 Cylinder head cover Assy
17
Engine 170F
E-4 CRANKSHAFT, PISTON & CONNECTING
1 Piston ring (Ⅰ)
2 Piston ring (Ⅱ)
3 Side rail
4 Expander
5 Scraper ring set
6 990552 Piston ring assy
7 990561 Piston pin circlip
8 990572 Piston
9 990581 Piston pin
10 Shank
11 Connecting rod cover
12 Bolt
13 990591 Connecting rod assy
14 Woodruff key
15 Drive gear
16 990601 Crankshaft
17 Timing driving gear
18 Crankshaft assy
18
Engine 170F
E-5 COMBINATION OF CAM SHAFT & VALVE ROCKER
1 Lock nut
2 Sleeve
3 Valve rocker
4 Adjusting bolt for valve gap
5 990440 Valve rocker assy
6 990451 Pusher guide
7 990461 Pusher
8 990471 Tappet
9 Extension spring
10 990481 Camshaft Assy
11 990491 Exhaust valve
12 990501 Intake valve
13 990511 Valve s p r in g
14 990521 Spring seat, intake valve
15 990531 Spring seat, exhaust valve
16 990540 Cap
19
Engine 170F
E-6 CARBURETOR ASSY
1 990240 Inlet gasket
2 990251 Connecting block
3 990260 Carburettor gasket
4 Idle adjustment screw
5 Mixture chamber body
6 Main nozzle
7 Main jet
8 Float
9 Float chamber gasket
10 Float chamber
11 Washer
12 Float chamber drain Screw
13 Screw
14 990270 Air cleaner gasket
15 Choke
16 Choke stem
17 Airproof washer
18 Throttle lever
19 Washer
20 Screw M4
20
Engine 170F
E-6 CARBURETOR ASSY
21 Cover
22 990290 Choke switch
23 Throttle unit
24 Spring, mixture adjustment screw
25 Mixture adjustment screw
26 Choke unit
27 Float chamber
28 990301 Carburettor Assy
29 Float needle
21
Engine 170F
E-7 FUEL TANK ASSY
1 Pipe clamp
2 Outlet pipe
3 Bolt M6×22
4 990020 Connector
5 Packing ring
6 Nut M6
7 Filter cup
8 Packing ring
9 Fuel filler cap
10 990010 Fuel filler cap with packing ring
11 990002 Fuel tank
22
Engine 170F
E-8 AIR CLEANER ASSY
1 990030 Wing nut
2 Air cleaner cover
3 990041 Filter element
4 Washer
5 Sleeve A
6 Air cleaner housing
7 Screw M5×12
8 Air cleaner base
9 Gasket
10 Sleeve B
11 990051 Air cleaner assy
23
Engine 170F
E-9 MUFFLER
1 Screw M5×8
2 Muffler hood
3 Nut M8
4 Muffler
5 990081 Exhaust muffler
6 990060 Exhaust gasket
24
Engine 170F
E-10 RECOIL STARTER
1 Bolt M6×22
2 Crankcase side plate assy
3 990101 Bolt M6×18
4 Fan hood assy
5 990102 Bolt M6×12
6 990110 Engine switch
7 Casing
8 990120 Spiral spring
9 990121 Ratchet spring
10 990125 Ratchet
11 990122 Friction spring
12 990126 Spring lid
13 990103 Set screw
14 990130 Starter rolls
15 Rope
16 990108 Pulling handle
17 990140 Recoil starter
18 990151 Recoil starter assy
19 Plastic clip
20 990680 Diode
25
Engine 170F
E-11 REGULATING CONTROLS SYSTEM
1 Nut M6
2 Setting panel
3 Spring patch
4 Handgrip
5 Washer
6 Bolt M5×25
7 Regulating spring
8 Support panel assy
9 Spring
10 990161 Back spring
11 990170 Fine regulating spring
12 990181 Pulling rod
13 Lock bolt
14 Regulating arm
15 Nut M6
16 990191 Regulating frame assy
26
Engine 170F
E-12 FLYWHEEL
1 990230 Flywheel
2 990221 Flywheel fan
3 990211 Starting flange
4 990201 Flywheel Nut
27
Engine 170F
E-13 IGNITION COIL
1 Screw M6×22
2 Engine stop cable
3 Ignition coil
4 Spark plug cap
5 990670 Ignition coil assy
28
