[Color] Silver [Material]Aluminum(Cylinder) [Bore diameter]51mm [Compression ratio] 11.5: 1 [Set components] ・E-Stage Big Bore Kit Aluminum iron sleeve cylinder / camshaft ・Drive sprocket KEIHIN PB16 Carburetor Kit [Specification] ・Target temperature sensor: SP Takegawa M5 temperature sensor ・Included camshaft: Sports camshaft (without auto decompression function)
*Sports camshafts do not have an auto decompression feature. *This product cannot be installed on other than stock head. *This product cannot be installed on Super Cub 50 or Little Cub (injection model). *With the increased power of the engine, the stock sprocket will be in a very low gear. *Although the drive sprocket is included in this product, please adjust the driven sprocket side (higher gear). *If you have a 3 speed transmission, you will need to change the drive sprocket to 35T. *There may be changes in product specifications due to the manufacturer's reasons. *Applicable models are C50-8000026-8985028, excluding injection models. *Depending on the lot, the product may be delivered with the old price and label with the old JAN code before the price change.
It is a big bore kit that can be easily assembled by yourself. This light big bore kit is popular for street driving, and you can feel different engine performance from stock. The e-Stage Bore Up Kit 81cc allows you to increase the displacement without changing the stock cylinder head and crankshaft. The Hyper e-Stage comes with the e-Stage Bore Up Kit 81cc, carburetor kit, spark plugs and drive sprocket to change the reduction ratio for increased power.
The cylinder is the same design as the original cylinder of the Cub engine in terms of appearance. The cylinder is equipped with a temperature sensor as standard. You can measure the cylinder temperature by purchasing SP Takegawa's thermometer built-in meter or thermometer.
The kit comes with a manifold that allows smooth intake from the carburetor to the combustion chamber without resistance. The clip position of the jet needle cannot be adjusted.It's secured.
[e-Stage Bore Up Kit 81cc comes with "Safety Support"] Eligibility for Anshin Support When you purchase the e-Stage Bore Up, you will receive a "Safe Support Registration Form" inside the product.
The support period is limited to six months after the purchase of the product.
Contents of Support Only SP Takekawa's e-Stage Bore Up Kit products are covered by this support.
This is not a full guarantee. If you pay half of the list price, we will replace the affected parts with new ones.
The support is available only once. If you change the user, the security support is not applied.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
[How is it used? To be able to ride a 12km commute without Stress
Was the one you received as per Image? The Package and product had a high quality feel and was more than I expected.
Was the installation difficult? Some knowledge of engines is required. The manual is very easy to understand with pictures, hints on how to remove it and the prescribed torque.
How was your experience with it? Bore up the engine and it becomes Torque fully engine, High Camshaft and high rpm range. The total balance of Bore up, Cam and carburetor is very good.
[Notes] Chain cut is necessary about 3Piece because it changes to Driven Sprocket 14⇒16T and Driven Sprocket 39⇒35 Ding in the specified Setting. By the way, Driven Sprocket is not included in the package.View Detail
There is a detailed Instruction Manual, and it is easy to do even if it is your first time to bore up. Also, I think it's safe to say that Takegawa has a half-price service even if you fail. I'll post my impressions again as I haven't driven it yet.View Detail
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