30 years factory experienced V-twins 250cc sale motorcycle engines two cylinder motorcycle engine

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Product Overview


Product Description

30 years factory experienced V-twins 250cc sale motorcycle engines two cylinder motorcycle engine

Model Name
V-type double cylinder, air-cooled, four-stroke, manual clutch motorcycle engine
Displacement (ml)

silver and black
Engine Type
air cooling


Type: V-type double cylinder, air-cooled, four-stroke, manual clutch

Bore×Stroke: 49×66(mm)

Total displacement: 249ml

Compression ratio: 10:1

Maximum power/corresponding speed: 12.5kw/8000r/min±120 r/min

Rated power/corresponding speed: 11kw/8000r/min

Maximum torque/corresponding speed: 18.5N·m /6000r/min±90 r/min

Lowest no-load stable speed (idling speed): 1300r/min±100 r/min

Minimum fuel consumption: ≤354g/ kW·h

Starting performance: ≤15s

Limit value of exhaust pollutants measured by idle speed method (dual idle speed): CO≤2.0%, HC≤250×10-6

Ignition control method: ECU

The intake/exhaust valve is open. BTDC (before top dead center)/BBDC (before bottom dead center): 26°/66°

Inlet/exhaust valve closed. ABDC (after bottom dead center)/ATDC (after top dead center): 54°/14°

Valve clearance: 0.08mm

Clutch type: wet multi-disc

Transmission type: left-foot shift, five-speed constant meshing type

Primary transmission ratio i: 3.13

Gear ratio i1/i2/i3/i4/i5: 2.642/1.684/1.260/1.000/0.821

Fuel grade: RQ-92 and above

Lubricant brand: 15W/40-SF four-stroke gasoline engine oil

Total capacity of lubricating oil: 1700ml

Spark plug model: CR6HSA

Spark plug gap: 0.6mm-0.7mm

Lubrication method and lubricating oil pump type: pressure splash lubrication, cycloid rotor type

Air filter type: foam filter element type

Dimensions: 513×362×445(mm)

Packing box: 575×430×510

Net weight: 42.5kg

Starting method: electric start

Detailed Images


For motorcycle cylinder kits we have more difference models  for choose.

More details please direct contact:andra(@)cqhanfu.com or andra(@)benmagroup.com

Packing & Delivery

We usually packing with netural box and also HF BM brand color box.
And also can accept customer's design.

Our Company

Why Choose "HF"?
1.Since 1986 ,Leading company in Friction material research,Obtained many patent in friction fields.
2."HF-BM" clutch plate,Dominated 2/3 china market shares.80% supply to genuine motorcycle mnufactuers.
3.More than 500 stuffs and 2 factory located in Huangshan,Anhui and ChongQing.
4.ISO/TS16949 and GB14622:2007 quality guarantee.

About our Company Chongqing Hanfan Technology Co.,Ltd

Chongqing Hanfan Technology Co.,Ltd is one of the largest professional production plants of the friction materials for clutches of automobile and motorcycle in China. Our group mainly produces clutch plates of motorcycle and separation shoe blocks, occupying 2/3 of the domestic supporting shares for main engine plants. Our products sell well not only in more than 20 cities of China, but also in Europe, America, Southeast Asia, etc.

Our Service

1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. after sending, we will track the products for you once every two days, until you get the products. When you got the
goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer
the solve way for you.


Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.

Q3. What is your terms of delivery?

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.

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