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Loncin G120F-M 4Hp Engine - Replaces Honda GX120 - for Wacker Plate / water pump

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Delivery Information

Currently we only deliver to the UK, Republic of Ireland, Germany, France and Spain for online ordering - please contact us on sales@bottomlinemarine.com if you live elsewhere.

Free shipping on UK orders over £50 (£3.95 for UK orders under £50)
Excludes certain heavy items
All prices include UK VAT - No customs or duty fees for UK orders


Heavy item - Please contact us before clicking to buy if you are in Northern Ireland, Republic of Ireland, Channel Islands, Isle of Wight, Scilly Isles, Scottish Highlands or Scottish Islands

Loncin 4.0hp Stationary Engine - replaces Honda GX120

4 stroke petrol engine runs on Unleaded petrol
Easy recoil pull start system
Forged crankshaft
Low Oil Alert shuts engine down if oil level is dangerously low
Note - this engine replaces the GX120 18mm parallel output shaft

Model: G120F-M
Type: 4 Stroke
Fuel Type: Unleaded Petrol
Starting Method: Recoil Pull Start
Piston Displacement: 118cc
Bore x Stroke: 60mm x 42mm
Compression ratio: 8.51
Gross Power:4Hp (3kW) / 3600rpm
Net Power: 3.5Hp (2.6kW) / 3600rpm
Rated speed: 3600rpm
Idle Speed: 1450rpm +- 150
Output shaft size: 18mm parallel with keyway
Ignition system: Transistorized, magneto
Fuel Sytem: Carburettor
Lubrication System: Splash
Speed Governor: Centrifugal mass
Air Filter: Dual element, semi-dry (i.e. oil dampened)
Oil capacity: 0.6 L0.13gal)
Fuel tank capacity: 2.5 L(0.37gal)
Noise Level @ 7m: 70dBA
Dimensions(L x W x H): 341 × 305 × 318mm
Net Weight: 13Kg

Specification List

Type Portable engine /repower Replacement for Honda GX160 with 3/4" Output Shaft
Gross Power 4Hp (3kW) @ 3600rpm Net Power 3.5Hp (2.6kW) @ 3600rpm
Output Shaft Size 18mm parallel, with keyway Reference OE/OEM Number GX120