Reviews Cylinder Bore Clearance

GY6 125cc/150cc Engine Upgrade to 180cc with Cylinder Head Valves and Rebuilt Kit, 61mm Big Bore kits with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad

【Cylinder Bore】:Upgrade from 57.4mm to 61mm, Cylinder kits with more power.
【Full sets of parts】: Complete parts is suitable for motorcycle maintenance shop, motorcycle parts supermarket and personal use with nice price..
【Apply to】: GY6 4 stroke 125cc/150cc engine for most of chinese scooter, atv and go karts.
【Parts included】:GY6 180cc Cylinder Head Comp with valves, 61mm Bore Cylinder Block, Set of 61mm Piston Assy, Piston, Rings and Wrist Pin, Gaskets..
【Package in cluded】Cylinder head sets and cylinder kits.

【Scope of application】Cylinder honing tools are suitable for degreasing engine cylinders with diameters from 3/4 in to 2‑1 / 2 in and 1‑1 / 4 in to 3‑1 / 2 in. The manufacturer's part number is 88233.
【Excellent performance】This tool can be used to remove carbon deposits and hot glaze in the cylinder bore. This special tool can be used for small-bore cylinders, such as motorcycles, brakes, and clutch cylinders, ideal for removing rust deposits in old renovations..
【High quality】The cylinder honing three jaws are made of high-quality iron materials, high strength, high hardness, rust and resistance, not easy to wear and not easy to age, and are made of special technology to enhance their stability and performance to ensure excellent durability and long service life ..
【Ergonomics design】The engine cylinder grindstone adopts ergonomics design, which can be comfortably held, effortless to use, easy to operate, labor-saving, and high-efficiency, bringing you a lot of convenience. Flexible shaft, easy to use, and automatic centering. The knurling wheel can adjust the spring pressure of the stone on the cylinder hole..
【Use steps】Spray lubricant on the stone or cylinder hole. Set the whetstone on the drill bit, insert the engine whets....

【Cylinder Bore】: 47mm / Non-EGR Cylinder.
【Apply to】: GY6 4 stroke 49cc 50cc 60cc 80cc engine upgrade for most of chinese scooter, atv and go karts.
【Parts included】:GY6 80cc Cylinder Head with 64mm valve, 47mm Bore Cylinder Block, Set of 47mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of Engine Gasket, 6pins CDI, Ignition coil, 4pin AC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 8.5 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 82, belt 699*18*30, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch.
【Fit to】Roketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento.

Ambienceo 2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike,which enable you to enjoy riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter..
The bicycle engine kit fits most 26" or 28" wheeled bikes (Mountain, Cruiser, Chopper, Road) with V-frame. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1").
Key parameters: bore and stroke-47mm & 40mm, Max. power 5 horsepower/6000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.
Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30).
Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km.
The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting..

Fits: All Harley-Davidson Shovelhead engines 1978-1984.
80 cubic inch (1340 cubic capacity) kit includes 7:1 compression ratio domed pistons, rings, circlips, chrome piston pins.
Each Wiseco piston is designed with the proper installed clearance to produce the most power, least wear, and best seal at running temperature, for each application.
Dedicated forgings are used for superior strength to weight ratio utilizing aerospace alloy with a dome designed for improved flame travel and detailed skirt shape and profiles for stability and smooth operation in the cylinder bore.
Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require.

2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike,you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter.
Fits for most 24" 26" or 28' wheeled bikes with V-frame. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1").
Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.
Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30).
Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km.
Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling.
The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting. NOTE: Due to the chemical reaction of electrophoresis, the engine motor of the product will have a certain proportion of color difference. Please mind to buy it carefully.

【Wide Applications】 6434 1 in. Dial Indicator Sleeve Height and Counter Bore Gauge is compatible with all diesel engines with sleeved cylinders. Helps quick and easy to measure the cylinder sleeve height, counter bore depth, top dead center, piston-to-deck height, valve protrusion..
【Precise Measurement】 Range: 0-1.00". Graduation: 0.001". Reading: 0-100. Easy readings around entire bore. 4374- Dial Indicator.
【Perfect Design】 Pointed contact for measuring cylinder sleeve height. Flat end contact measures counter-bore depth. Compact and versatile gauge also measures top dead center, piston-to-deck height and valve protrusion. Easy to use, impossible to mess up..
【Built to Last】 Made of real steel hardened, professional and quality. Heavier, stronger and more durable. Not so easy to be deformed, more shock-proof, professional quality and industrial use..
【100% Satisfaction Guarantee】 Your satisfaction is our priority. We strive to give our customers excellent service. All Sixcow products support 30-Day money-back guarantee, 12-Month warranty for quality-related issues. Simply return it for your warranty..