Suzuki DF70A Service Manual

Power Unit Mechanical: 1D-28
Camshaft Identification
DF70A, DF80A and DF90A camshafts differ as indicated
below.
Identification mark
Camshaft Runout
Support camshaft on a surface plate using a set of V-
blocks.
Measure runout using a dial gauge.
If measurement exceeds service limit, replace camshaft.
Special tool
(A): 09900–20606 (Dial gauge)
(B): 09900–20701 (Magnetic stand)
Camshaft runout
Service limit: 0.10 mm (0.0039 in.)
Camshaft Journal Wear
Check camshaft journals and camshaft housings for
pitting, scratches, wear or damage.
If any of the above conditions are found, replace
camshaft or cylinder head with housing.
NOTE
Camshaft housing and cylinder head must be
replaced as a set.
Camshaft Journal Oil Clearance
Check journal oil clearance using Plastigauge as follows.
1) Clean housing and camshaft journals.
2) Install camshaft to cylinder head.
3) Place Plastigauge across the full width of camshaft
journal (parallel to camshaft).
Special tool
(A): 09900–22301 (Plastigauge (0.025 –
0.076 mm))
Model
Identification mark
Intake Exhaust
DF70A 2 0
DF80A 0 0
DF90A 1 1
1. Identification mark
I9J011140197-01
(A)
(B)
I9J011140198-02
I9J011140030-01
I9J011140199-02
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Suzuki DF70A Specifications

General

Engine Type	4-Stroke DOHC 16-Valve
Starting System	Electric
Steering	Remote
Number of Cylinders	4
Maximum Output	70 HP
Alternator	12V 27A
Trim Method	Power Trim and Tilt
Gear Ratio	2.59:1
Exhaust	Through Prop Hub Exhaust
Max Output	70 hp
Ignition System	Fully transistorized ignition
Fuel Tank Capacity	External
Weight	160 kg
Full Throttle Operating Range	5, 300 - 6, 300 rpm
Fuel Type	Unleaded Gasoline
Shaft Length	L: 508 mm, X: 635 mm
Displacement	1, 502 cc
Fuel Delivery System	Multi-point sequential electronic fuel injection
Oil Capacity	4.0 L
Alternator Output	27A