A Power House BBK for the Monkey 125
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.
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