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Crankcase Attribute:
1.    Bearing 6002
2.    Bearing 6004
3.    Bearing 6301
4.    Brake Drum Actuator Dust Cover
5.    Brake Shoe
6.    Brake Shoe Anchor O-Ring 7.5X15
7.    Brake Shoe Anchor Pin
8.    Brake Shoe Arm
9.    Brake Shoe Cam
10.    Brake Shoe Spring
11.    Breather Tube
12.    Bushing 20x8x19
13.    Bushing Engine Hanger 28x10x22

14.    Crankcase (left)
15.    Crankcase (right)
16.    Crankcase Gasket (right)
17.    Dowel Pins 8x14
18.    Dowel Pins 10x14
19.    M6x50 Bolts
20.    M8 Nut
21.    M8x187.5 Studs
22.    M8x195.5 Studs
23.    M12 Washer
24.    M12x1.5 Bolt
25.    Oil Seal 19.8x30x5
26.    Oil Seal 27x42x7


Scooter big bore kit for upgrade scooter engines or complete scooter engine kit.

G- Crankcase 63mm Bore A-Block 54mm (GY6 longcase)
ETA 4 - 10 Days
Brand: G Model: 1100-1418
Description: Crankcase 63mm Bore A-Block 54mm GY6 longcase. The crankcase bore is a 63mm opening and can fit 54mm A-Block 61mm cylinder and 61mm cylinder head.NOTE: This is NOT a complete engine. Need to reuse donor parts from A-Block (54mm) or B-Block (57mm) ..
$159.95
Brand: G Model: 1100-1167
Description: Crankcase Bushing Front aka engine hanger bushing is made of a sturdy metal sleeve and wear-resistant rubber which also makes installing it so much easier with a compressor tool. Crankcase Bushing Front that includes one front crankcase bushing fit either the front left or front right s..
$5.95
Brand: G Model: 1100-1170
Description: Crankcase Bushing Rear is made of a metal sleeve and sturdy rubber which also makes installing them so much easier with a compressor tool. Crankcase Bushing Rear that includes one rear engine shock bushing for 139QMB 49/50cc, GY6 125/150cc crankcase.NOTE: Also, available in Crankcase Bu..
$3.95
Brand: G Model: 151-131
Description: Crankcase Bushing Front Set is made of a metal sleeve and sturdy rubber which also makes installing them so much easier with a compressor tool. Crankcase Bushing 2-front Set includes two front crankcase bushings. Interchangeable fit either the front left or front right side of the ..
$9.95
Brand: G Model: 1100-4001
Description: Crankcase Bushing Set is made of a metal sleeve and sturdy rubber which also makes installing them so much easier with a compressor tool. Crankcase Bushing 3-Piece Set includes two front crankcase bushings and one rear engine shock bushing.Specifications: Includes the following Three-pi..
$11.95
Brand: G Model: 164-116
Description: CVT Cover for GY6 125/150cc 4-stroke 152QMI/157QMJ  longcase engines.NOTE: Another way to determine if you have a GY6 shortcase or longcase engine? If it has 10 bolts securing the CVT cover and measures horizontal 17.875" across the CVT cover it a longcase that uses ..
$44.95
Brand: G Model: 164-307
Description: CVT Cover for GY6 125/150cc 4-stroke 152QMI/157QMJ shortcase engines.NOTE: Another way to determine if you have a GY6 shortcase or longcase engine? If it has 10 bolts securing the CVT cover and measures horizontal 17.875" across the CVT cover it a longcase that uses an&nb..
$49.95
Brand: G Model: 169-339
Description: CVT Cover Chrome for GY6 125/150cc 4-stroke 152QMI/157QMJ shortcase engines.NOTE: Another way to determine if you have a GY6 shortcase or longcase engine? If it has 10 bolts securing the CVT cover and measures horizontal 17.875" across the CVT cover it a longcase that use..
$79.95
Brand: G Model: 165-5
Description: CVT Cover Gray for GY6B 150cc 4-stroke ZNEN engines commonly found in Lance Phoenix, Flyscooters Cadenza, ZNEN ZN150T-18, Xingyue ITA-150, Motorino Cassini, CMS Prodigy, BMS Pathfinder, and many more.Specifications:Include the following CVT cover.•    1x CVT Cover lo..
$49.95
Brand: G Model: 151-158
Description: Base Dowel Pin 10mm x 20mm Set (left-crankcase base lower and upper) support for GY6 205cc-232cc+. Replace standard base dowel pins 10mm x 14mm for 10mm x 20mm (6mm extended length). Needed with big bore kits 6mm spacer, extended cylinder height, over-sized cylinder head 4-valve, a..
$2.95
G- Engine 50mm 49cc 4-Stroke (139QMB longcase) G- Engine 50mm 49cc 4-Stroke (139QMB longcase)
ETA 4 - 10 Days
Brand: G Model: 220-41
Description: 139QMB 50mm Stud Spacing 49cc 4-Stroke longcase Engine. Complete engine assembly, long crankcase version is the top-of-the-line aftermarket replacement engine available in the marketplace. This is the only engine that has earned the Universal Parts stamp for our stringent quality a..
$389.00
G- Engine 50mm 49cc 4-Stroke (1P39QMB shortcase) G- Engine 50mm 49cc 4-Stroke (1P39QMB shortcase)
ETA 4 - 10 Days
Brand: G Model: 220-40
Description: 1P39QMB 50mm Stud Spacing 49cc 4-Stroke shortcase Engine. Complete engine assembly, short crankcase version is the top-of-the-line aftermarket replacement engine available in the marketplace. This is the only engine that has earned our stamp for our stringent quality and performanc..
$369.00
Brand: G Model: 151-78
Description: Timing Cover 33 Teeth for 139QMB 49/50cc 4-stroke engines. Work in conjunction with 33T Oil Pump and Sprocket 33 Teeth only (sold separately).Specifications:Include the following Timing cover.•   1x Timing Cover: 33T•   Fit Crankcase Bolts: M6 / Washer..
$33.95
Brand: G Model: 151-248
Description: Timing Cover 47 Teeth for 139QMB 49/50cc 4-stroke engines. Work in conjunction with 47T Oil Pump and Sprocket 47 Teeth only (sold separately).Specifications:Include the following Timing cover.•   1x Timing Cover: 47T •   Fit Crankcase Bolts: M6&nb..
$34.49
Brand: G Model: 220-42
Description: GY6 Engine 54mm Stud Spacing 150cc 4-Stroke longcase Gas Engine with automatic CVT transmission is the top of the line aftermarket replacement engine most commonly found in Chinese scooters. This is the only engine that has earned our stamp for our stringent quality and perfor..
$422.00
Brand: G Model: 220-46
Description: GY6 Engine 54mm Stud Spacing 150cc 4-Stroke shortcase Gas Engine with automatic CVT transmission is the top-of-the-line aftermarket replacement engine most commonly found in Chinese scooters. This is the only engine that has earned our stamp for our stringent quality and perfo..
$422.00
Brand: G Model: 220-59
Description: GY6 Engine 54mm Stud Spacing Short-Block 4-Stroke longcase is a gas engine with an automatic CVT transmission. This is a builder's special! Top-end not include, so you can easily add 54mm stud spacing top-end of your choice. This is the short block (no cylinder or head) versio..
$359.00
SSP-G Crankcase 63mm 180cc 2V Big Bore Power Kit (GY6 longcase) SSP-G Crankcase 63mm 180cc 2V Big Bore Power Kit (GY6 longcase)
ETA 4 - 10 Days
Brand: SSP-G Model: 169-99
Description: SSP-G Crankcase 180cc Big Bore Power Kit for upgrade GY6 125/150cc 4-stroke longcase engines. This complete Power Pack comes with a 63mm bore cylinder and matching Machined out Crankcase (57mm B-Block) with all the oil seals installed and a performance camshaft for low-end power/to..
$469.00
SSP-G Crankcase 63mm 180cc 2V Big Bore Power Kit w/Oil Cooler (GY6 longcase) SSP-G Crankcase 63mm 180cc 2V Big Bore Power Kit w/Oil Cooler (GY6 longcase)
Non-Stock
Brand: SSP-G Model: 169-482
Description: SSP-G Crankcase 180cc Big Bore Power Kit with Oil Cooler for upgrade GY6 125/150cc 4-stroke longcase engines. This complete Power Pack comes with a 63mm bore cylinder and matching Machined out Crankcase (57mm B-Block) with all the oil seals installed and a performance camshaft for ..
$529.00
Brand: SSP-G Model: 169-514
Description: SSP-G Crankcase 63mm Bore B-Block 57mm for upgrade GY6 125/150cc 4-stroke longcase engines. This 63mm bored means there is no machining required unlike all other kits on the market. No Boring Required! Just bolt-on SSP-G Cylinder 63mm BBK (sold separately)...
$319.95
Brand: SSP-G Model: 169-488
Description: SSP-G Crankcase 65mm Bore Right-Side with Oil Cooler Kit for upgrading to 180cc Power Kit with oil cooler or any GY6 57mm cylinder stud spacing such as Taida B-Block cases. This SSP-G Crankcase 65mm Bore Right-side with Oil Cooler Kit comes with a 65mm bored opening with a 57mm stu..
$289.95
Brand: SSP-G Model: 169-529
Description: SSP-G Crankcase Bushing 3-Piece Set for 139QMB 49/50cc, GY6 125/150cc crankcase. Premium quality bushings from Taiwan! The set includes 2 engine mount bushings and the shock bushing for the 139QMB 49/50cc, GY6 125/150cc crankcase.Specifications: Includes the following Three-piece bushin..
$12.95
Taida Big Bore Combo 62mm 174.5cc LC 2V w/Forged Piston Fit 54mm (GY6) Taida Big Bore Combo 62mm 174.5cc LC 2V w/Forged Piston Fit 54mm (GY6)
ETA 45 - 60 Days
Brand: Taida Model: GY6-090-2V54-175-LC
Description: Liquid Cooled Taida Cast-Iron Cylinder 62mm 174.5cc with Forged Aluminum Piston offers better durability and reduced friction for 54mm stud GY6 125/150cc + engines. The cylinder bore is 62mm. Taida Big Bore Combo 62mm 174.5cc 2V w/Forged Piston Fit 54mm including the following parts Tai..
$738.52
Taida Big Bore Combo 63mm 180cc C 2V w/Forged Piston Fit 54mm (GY6) Taida Big Bore Combo 63mm 180cc C 2V w/Forged Piston Fit 54mm (GY6)
ETA 45 - 60 Days
Brand: Taida Model: GY6-090-2V54-180
Description: High-Quality Taida Ceramic Cylinder 63mm 180cc with Forged Aluminum Piston offers better durability and reduced friction for GY6 125/150cc + engines. The forged piston will offer better power and the ceramic cylinder with more heat dissipation will help to avoid overheating. The ceramic..
$752.61
Taida Big Bore Combo 63mm 180cc C 4V w/Forged Piston Fit 54mm (GY6) Taida Big Bore Combo 63mm 180cc C 4V w/Forged Piston Fit 54mm (GY6)
ETA 45 - 60 Days
Brand: Taida Model: GY6-090-4V54-180
Description: High-Quality Taida Ceramic Cylinder 63mm 180cc with Forged Aluminum Piston offers better durability and reduced friction for GY6 125/150cc + engines. The forged piston will offer better power and the ceramic cylinder with more heat dissipation will help to avoid overheating. The ceramic..
$816.00
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