hi-POWER 4V汽缸頭套件
Product # EF122K26S1
3,567.6 HKD (69,000 日幣)
定價 3,567.6 HKD 节省 0%
+690 Webike點數 (35.67 HKD)
此商品已停售. |
Product # EF122K26S1
3,567.6 HKD (69,000 日幣)
定價 3,567.6 HKD 节省 0%
+690 Webike點數 (35.67 HKD)
此商品已停售. |
※自行DIY 的話,強烈建議有相關安裝經驗或是知識;否則建議交由店家安裝。
※安裝此套件時,請務必搭配ENIGMA 供油電腦,否則將難以掌握汽油量。且不僅性能無法獲得最佳表現,還有可能導致損壞。
※此套件專門用於ENDURANCE 的170cc 加大缸徑套件。
ENDURANCE 的四汽門汽缸頭套件!
耐用性與高輸出兼顧;魚與熊掌兼得的最佳解!
【特點】
1.四汽門
由於改用四汽門的設計,因此進氣量將比原廠的二汽門提高50% 甚至更多!
而火星塞的位置則位於正中間,以達到完全燃燒的目的。
燃燒室以及進排氣口的形狀都進一步的修正與優化,輸出也進一步的提升!
原廠的進汽門為Φ25.5,排汽門為Φ21;且數量各一。
而此套件的進汽門則為Φ24,排汽門Φ21;數量則是各二。
而汽門感的直徑則為Φ4.5(原廠為Φ5)。
2.進氣道
經過重新設計的與優化的橢圓形進氣道,變得可以容納四個汽門!
且進氣歧管也重新設計,為得就是實現順暢的進氣。
3.專用進氣岐管
與橢圓形進氣道相符的專用進氣岐管。
僅適用於加大汽缸套件。
4.加大噴油嘴
因為四汽門的設計,因此揚程加大、輸出增加!
進氣量加大,因此也必須加大噴油嘴的輸出,以確保輸出的完整性。
且另外銷售的ENDURANCE ENIGMA 有專用的供油MAP。
5.鋁合金活塞
專為四汽門所設計、兼顧輕量化與強度,且還能夠實現高壓縮比(12.5)的鋁合金活塞。
輕量、高強度,且能承受四汽門的高輸出,這是只有鑄造活塞才能達到的能耐!
透過特殊的鍛造材料,ENDURANCE 實現了傳統的鑄造材料所無法達成的輕量化與高強度。
因此活塞相當適合改裝後的汽缸使用。
6.RIKEN 理研活塞環
活塞環是採用RIKEN,理研社的產品。
7.鍛造的鋁合金汽門搖臂
鍛造鋁合金汽門搖臂,既輕巧又有著高強度!
採用滾子汽門搖臂,因此降低了與凸輪軸的接觸面積,進而增加輸出!
Model Page Links
About quality and texture: I am happy with the quality of this 4V 170cc big bore kit. The cylinder is all aluminium without a steel sleeve and the piston is aluminium but forged and not cast like the cheaper kits would tend to include but the part that makes this big bore kit special is the 4 valve head.About the feeling of use: With the massive increase in the piston size and the addition of valves in the head this big bore kit delivers a huge increase in power and makes the Monkey 125 a beast to ride.Products to buy together: An advanced fuel controller is needed to purchase together with this big bore kit to be able to tune engine once the build is complete. aRacer is a great option but not available here on Webike to suit the Monkey 125.Difficulty of installation: The process to install takes about two hours and that includes checking all the ring gaps and adjusting before assembly. A little difficult to do but the Honda service manual has all the information to help you get the job done.Cost performance and comparison with other products: Great costing as you are getting the best bang for buck 4 valve head big bore kit out there and the quality is outstanding as compared to the much more expensive Takegawa kit that is slightly larger in capacity but does use a cast aluminium piston.About shipping and packaging: The faster shipping options are too expensive for myself so I just have to wait for my part to arrive via sea freight. Webike kept me updated on the status of my order up to when it shipped. The parcel arrived within the expected date range and was well packaged with no chance of the part being damaged.Any concerns, cautions, or advice when purchasing: The big bore kits with the 4 valve heads are more maintenance intensive and require all the supporting modifications to create a reliable engine.View Detail
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