wc_td000739en.fm
42
Technical Data
PT2A / PT3A / PT4A
10.3
Engine—PT4A / PT4A(I)
1
Net engine power rating per SAE J1349 and ISO 3046. Actual power output may vary due to
conditions of specific use.
Machine
PT4A / PT4A(I)
Engine type
4-stroke, overhead valve,
single cylinder
Engine make
Honda
Engine model
GX 390
Maximum rated power at rated
speed
1
kW (hp)
8.7 (11.7) @ 3600 rpm
Displacement
cm³ (in.³)
389 (23.7)
Spark plug
(NGK) BPR 6ES
(DENSO) W20EPR-U
Electrode gap
mm (in.)
0.7–0.8
(0.028–0.031)
Operating speed
rpm
3500
Valve clearance (cold)
intake:
exhaust:
mm (in.)
0.15 ± 0.02 (.006)
0.20 ± 0.02 (.008)
Air cleaner
type
Dual element
Engine lubrication
oil grade
SAE 10W30
Service Class SJ, SL
Engine oil capacity
L (qt)
1.1 (1.2)
Fuel
type
Regular unleaded gasoline
Fuel tank capacity
L (qt)
6.1 (6.4)
Summary of Contents for PT 2A
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