Downhole motor is composed of five assemblies: by-pass assembly, anti-drop, power section assembly, Universal Shaft Assembly and bearing assembly. Each of these part is indispensable in Downhole Motors.
Our company is the one who started and grew up with Parts For Downhole Motors producing and selling. The quality is well known in Chinese oil field market.
Components And parts For Downhole Motors Parts For Downhole Motors,Components For Downhole Motors,Sucker Rods,Drill Collars,Motor Rotor Weifang Shengde Petroleum Machinery Manufacturing Co., Ltd. , http://www.sdpetromachine.com
WarrantyÂ
1 year for commercial usage;
3 years for pleasure;
R & D Team
OEM service available;
All of our key engineers came from the previous BRP outboard factory of China DG, with more than 20 years'Â experience.
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Series:
Two stroke:Â 2.5hp;3hp;4hp;5hp;9.9hp;15hp;18hp;30hp;40hp
Four stroke:Â 2.5hp;4hp;5hp;6hp
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Certification
CE/SGS/ISO 9001Â
ITEM:Â boat motor/Engine
1) 7Â years spare parts production experience.Most die casting(aluminum) parts and plastic parts are made by our own production line, assure the parts quality control
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2) Main engineers used to work in previous BRP Chinese subsidiary plant, we learn from BRP technology, compared with other Chinese outboard motor,our outboards are more quiet;Â Â
3) Same surface treatment standard process with BRP Johnson technology.
4) Fuel-efficient lower fuel consumption---The Electric parts / Intake valve/ Carburetor(now use TK carburetor) all use high quality suppliers(Taiwan and Japan parts),  oil consumption of 30hp is 11.5L/h, 15hp 7.3L/h now
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5) The most important parts of the engine like cylinder head gasket, crank, bearing, drive shaft,
pinon, gear1,gear2 is all Taiwan brand parts.
Our carburator is TK carburator, Japanese brand.Â
Details
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Philosophy
Quality First, User-oriented Management, Dedication to customer services
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Model
F4B
Dimension
Overall length: 750mm (29.5in)
Overall width :333mm (13.1in) Overall height S :1040mm (40.29in) Overall height L :1168mm (46in)
Net weight (S/L)
27kg/ 28kg
Gross weight (S/L)
35kg/ 36kg
Package Size (S/L)
115*45*57.5 cm³ / 128*45*57.5 cm³
Full Throttle Operating Range
4000-5000 r/m
Maximum OutputÂ
2.9kw/4hp
Idling Speed
1500±50r/m
Type
Four Stroke
Displacement
139cc
Bore×StrokeÂ
62×46mm
Ignition System
CDI
Spark Plug
NGK BR7HS-10Â
Spark Plug Gap
0.6-0.7mm
Control SystemÂ
Tiller Handle
Starting SystemÂ
Manual
Starting Carburation System
Choke Valve
Gear Position
Forward-Neutral-Reverse
Gear Ratio
2.08 (27:13)
Trim and Tilt System
Manual Tilt
Recommended Fuel
Unleaded Gasoline
Gear Oil
0.1L
Fuel Tank Capacity
1.1L
Model NO.: EARROW outboard motor/ outboard engine/ boat motor
Ignition System: Cdi
Control System: Tiller Handle
Starting System: Manual
Displacement: 246cc
Starting Carburation System: Choke Valve
Gear Position: Forward-Neutral-Reverse
Type: Fishing Vessels
Material: Alloy
Trademark: EARROW
Transport Package: CTN, Standard Export Package; Carton
Specification: CE, SGS, ISO9001
Origin: Ningbo Zhejiang China
HS Code: 84072100
Product:Â Â EARROW outboard motor/ outboard engine/ boat motorWhy choose Earrow
Special surface pretreatment production line, passivated surface made the parts &Â engine more durable, anti corrosion;Â