---
product_id: 171082648
title: "2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW"
brand: "donsu"
price: "S$457"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/171082648-2-stroke-3-5hp-outboard-engine-motor-heavy-duty-inflatable
store_origin: SG
region: Singapore
---

# 2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW

**Brand:** donsu
**Price:** S$457
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW by donsu
- **How much does it cost?** S$457 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/171082648-2-stroke-3-5hp-outboard-engine-motor-heavy-duty-inflatable)

## Best For

- donsu enthusiasts

## Why This Product

- Trusted donsu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Description:  Overall length:92CMOverall widteh:36.5cmOverall height:22cmTransom height:42cmFull throttle perating range:4000~5000rpmMaximum output:2.5kw(3.5HP)Speed:20km/h(four people)Type:2-strokeIgnition system:CDI systemStarting system:Manual startStaring carburetion system:Choke start]Propeller mark:7-1/45-A(inch)The engine and the propeller ratio:2:1Recommended fuel:Regular unleaded gasolineFuel to oil ratio:35:1 （Please be suject to this version, and disregard the manual about this point）Gear ratio: 27/13When at normal cruising,the appearence of the senveth picture. Falling back the boat, the appearence of the outboard motor likes the eighth picture . Falling back the boat, you should drive slowly otherwise the boat will not stable.It can be marched with inflatable boats, rubber boats or fishing boatsHard to start?1.please make sure the ratio of Gasoline: Oil = 35：1.Please DO use special oil for 2-stroke motor.2.press the button on the carburetor for several times until the yellow and black pipes are full of oil.3.leave the throttle in the start position before starting,and then keep it in the ON position after running.

## Features

- About this item
- 【3.5HP Outboard Motor】 The machine itself is lightweight,easy to carry and unique appearance. It can use on boat weight of 100kg or less , load-bearing 4 people, but the speed is certainly not the same when one person on it or 4 people on it . Customer who has high expectations on speed, please be noticed.     【360 degree rotation】 Superior Water Cooling Technology improves the performance of the whole machine. The outboard motor backet can revolve 360. Only in simple let the engine revolve 180 and the operation handle face back,the boat can fall back to drive.     【Necessary】 you have to prepare a boat-motor stand or Hanging board on your boat.Before you use it , please add the gear oil(Please remove the cover of the gear oil box when you add gear oil),and replace gear oil after the run-in period(10hours),the recommended Gear oil is hypoid Gear oil SAE#90.     【About the noise】 All the gasoline machines are noisy, currently we did not test the decibel , but the noise is the same as the motorcycle, so it is a normal phenomenon     【About certification】We can only provide CE certification, there is no other certification can be provided,thanks for your understanding.

## Images

![2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW - Image 1](https://m.media-amazon.com/images/I/418aowO0NXL.jpg)
![2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW - Image 2](https://m.media-amazon.com/images/I/51uDVHhQnSL.jpg)
![2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW - Image 3](https://m.media-amazon.com/images/I/413dievbnvL.jpg)
![2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW - Image 4](https://m.media-amazon.com/images/I/41qfWvSrvIL.jpg)
![2 Stroke 3.5HP Outboard Engine Motor,Heavy Duty Inflatable Fishing Boat Engine Fishing Ignition CDI system Manual start,w/Water Cooling System 2.5KW - Image 5](https://m.media-amazon.com/images/I/31KjmPoWJ2L.jpg)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-29*