Please login to check coupons
Product Detail
Specification
88ccBore Diameter: 52mm
Compression ratio: 12. 0: 1
Included Camshaft: F-10
Bulb
Intake: 26mm / exhaust: 22.5mm
Valve Stem Shaft Diameter: 4.5mm
[Set components]
R stage big bore kit 88cc, FI CON PLUS (injection controller), air filter, spark plug, big throttle
Description
R-stage series is the only 50cc (FI) horizontal engine that can perform head tuning
SP Takegawa's traditional R-stage head technology is adopted, which enables high output performance that cannot be obtained with the stock head.In addition, the high performance injection controller allows you to maximize the performance of the R-stage cylinder head.
■R stage head
Based on the standard head shape, large diameter valves, intake: 26mm / exhaust: Adopted 22.5mm.
(Stock valve is intake: 20mm / exhaust:16mm)
This is SP Takegawa's original cylinder head which was developed by constructing the optimum valve pinching angle, combustion chamber shape and port shape along with the adoption of large diameter valves.
By combining the improved intake and exhaust efficiency with the increased displacement and the high performance injection controller, it is possible to achieve a higher output than with the stock head.
port
The stock head port diameter is 20mm for both intake and exhaust, whereas the R stage head port diameter: Intake: 24mm / exhaust: Larger diameter of 20mm.In addition, the adoption of a 3-dimensional port shape, combined with the larger diameter of the valve and port, makes it possible for more intake and exhaust gases to flow smoothly.
The weight increase due to the larger diameter of the valve is kept to a minimum by waist machining.
Valve Spring
The single valve spring with unequal pitch (2-stage pitch) is adopted for the best spring rate for R-stage head, and it prevents the surging at high rpm.Durable steel valve spring retainers are used
■Cylinder / Piston
Cylinder
The cylinder is an all aluminum ceramic plated cylinder.It is a cylinder with excellent durability, airtightness, and heat radiation.
In addition, the cylinder is equipped with a boss for oil removal to allow oil removal to the oil cooler.
SP Takegawa Oil Cooler Kit is recommended.
Piston
The piston skirt is coated with molybdenum to ensure good initial adhesion to the cylinder.
■FI CON PLUS (Large capacity injector included)
FI CON PLUS has a 3-dimensional fuel map inside, which is calculated at high speed based on the signals from various sensors, and can perform the best fuel injection according to the engine situation.In addition, not only the fuel injection circuit but also the ignition system circuit is built in, and the ignition timing is optimized according to the R stage.
With these modifications, the ECU can be used up to higher rpm than the rev limit of the stock ECU.
Although FI CON PLUS boasts such high performance, fuel correction from the basic map (16 steps from -10% to +20%) and limiter speed setting (16 steps from 7000rpm to 16000rpm) can be easily set by simply turning the rotary switch on the FI CON PLUS with a screwdriver. by simply turning the rotary switch on the FI CON PLUS with a screwdriver.No complicated PC connection is required.
■Hyper R Stage Big Bore Kit 88cc
Kit Configuration
R stage big bore kit 88cc with FI CON PLUS (injection controller), high efficiency air filter and spark plug.
SP Takegawa's traditional R-stage head technology is adopted, which enables high output performance that cannot be obtained with the stock head.In addition, the high performance injection controller allows you to maximize the performance of the R-stage cylinder head.
■R stage head
Based on the standard head shape, large diameter valves, intake: 26mm / exhaust: Adopted 22.5mm.
(Stock valve is intake: 20mm / exhaust:16mm)
This is SP Takegawa's original cylinder head which was developed by constructing the optimum valve pinching angle, combustion chamber shape and port shape along with the adoption of large diameter valves.
By combining the improved intake and exhaust efficiency with the increased displacement and the high performance injection controller, it is possible to achieve a higher output than with the stock head.
port
The stock head port diameter is 20mm for both intake and exhaust, whereas the R stage head port diameter: Intake: 24mm / exhaust: Larger diameter of 20mm.In addition, the adoption of a 3-dimensional port shape, combined with the larger diameter of the valve and port, makes it possible for more intake and exhaust gases to flow smoothly.
The weight increase due to the larger diameter of the valve is kept to a minimum by waist machining.
Valve Spring
The single valve spring with unequal pitch (2-stage pitch) is adopted for the best spring rate for R-stage head, and it prevents the surging at high rpm.Durable steel valve spring retainers are used
■Cylinder / Piston
Cylinder
The cylinder is an all aluminum ceramic plated cylinder.It is a cylinder with excellent durability, airtightness, and heat radiation.
In addition, the cylinder is equipped with a boss for oil removal to allow oil removal to the oil cooler.
SP Takegawa Oil Cooler Kit is recommended.
Piston
The piston skirt is coated with molybdenum to ensure good initial adhesion to the cylinder.
■FI CON PLUS (Large capacity injector included)
FI CON PLUS has a 3-dimensional fuel map inside, which is calculated at high speed based on the signals from various sensors, and can perform the best fuel injection according to the engine situation.In addition, not only the fuel injection circuit but also the ignition system circuit is built in, and the ignition timing is optimized according to the R stage.
With these modifications, the ECU can be used up to higher rpm than the rev limit of the stock ECU.
Although FI CON PLUS boasts such high performance, fuel correction from the basic map (16 steps from -10% to +20%) and limiter speed setting (16 steps from 7000rpm to 16000rpm) can be easily set by simply turning the rotary switch on the FI CON PLUS with a screwdriver. by simply turning the rotary switch on the FI CON PLUS with a screwdriver.No complicated PC connection is required.
■Hyper R Stage Big Bore Kit 88cc
Kit Configuration
R stage big bore kit 88cc with FI CON PLUS (injection controller), high efficiency air filter and spark plug.
Note
・Webike Thailand is an official distributor of SP Takegawa in Thailand.
・Products purchased from Webike Thailand are covered by the product warranty specified by SP Takegawa.
・Products purchased from Webike Thailand are covered by the product warranty specified by SP Takegawa.
Caution
*For injection vehicles only.It cannot be installed on carbureted vehicles.*When FI CON PLUS is installed, SP Takegawa's Medium DN Tachometer cannot be used.
*It is possible to use the engine up to higher RPM than the rev limit of stock ECU, but please keep the specified RPM strictly.
*There may be changes in product specifications due to the manufacturer's reasons.
*Depending on the lot, the product may be delivered with the old price and label with the old JAN code before the price change.