OLYIN Avenger 90 - Complete 52mm Bore 2 Stroke Motorized Bicycle Engine Kit 90cc
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$365.00
Tax excluded
The newest design of the Avenger 90 2026 gas-powered two-stroke bike engine kit from OLYIN features a 52mm big bore, a four-hole balancing crankshaft longer stroke than 85cc, N45 magnet ignition rotor, copper head gasket, and an 85km/h top speed.
Cylinder design by Ken Hinson/ Kelly Cansler. Faster than Phantom 85 v3 v2 v1 Aswell as lower displacement engines on the market BT, YD, LD and PK.
The standard bike can be transformed into a motorized bike with this 90cc gasoline engine kit. You can enjoy riding at a faster speed—up to 85 km/h—after upgrading your bike. It makes your outdoor journey more convenient because it runs nearly as quickly as a motorcycle or scooter. Most 26" or 28" bikes with a V-frame can be fitted with this engine package.
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Specification: Mode of Engine: Single cylinder, air-cooling, 2-stroke Bore & Stroke:52mm & 42mm Rated Power:2.05Kw/5000r/min (3 horsepower/5000r/min) Max Power:3.5Kw/6000r/min (5-6 horsepower/6000r/min) Ignition Mode:CDI Model of Chain: 415 Chain Length: 110 links Compression Ratio:6:01 Driving Ratio:12.5:01 Fuel Type:No.90 Capacity of Tank:2L Speed Limitation:85km/hour Lubrication Oil: oil of 2-stroke petrol engine (Or oil for 10W/40.10W/30) Type of Sparking Plug:Z4C 14MM Volume of oil Consumption:2.5L/100km Type of Clutch:Friction Plate / Dry Cooling Mode:Natural air cooling Fit for most type 24" 26" and 28" bikes, such as mountain bikes, road bikes,cruisers, choppers. Extra notes: This engine features a four-hole balanced crankshaft, a larger cylinder head, a 12*16*12mm needle bearing, a high-performance CDI and magneto coil, and an a upgraded design of silencer. Fuel/Oil Ratio recommend by manufacturer: New Engine (500km or approx 3-5 tanks): 20:1 or 50ml of oil per litre. After Break In: 25:1 25:1 or 40ml of oil per litre. IMPORTANT (Please read): 1. In order to create a suitable steal on the intake and stop any air leaks, please do not remove the plastic insert or o-ring that comes with your carburator.
2. To prevent exhaust from snapping at welds, use the exhaust strapping kit that some kits come with if necessary. Alternatively, you can purchase a JB Weld Metal Strapping Kit.
3. To prolong the life of these components, it is advised to clean and regrease the clutch arm, bucking bar, and bevel gear every few weeks.
4. Fuel/Oil Ratio recommend by manufacturer: New Engine (500km or approx 3-5 tanks): 20:1 or 50ml of oil per litre. After Break In: 25:1 or 40ml of oil per litre. Using a different oil ratio than what is advised may speed up engine wear and cause engine seize. Don't assume the ratios instead, use a two-stroke mixing container to measure the oil. Our engine kits come with a 30-day warranty from the date of delivery. If you use a different oil mix ratio, this warranty will be void. |
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