After making repairs to the rather useless BBR Tuning Nexus Hub Adapter, I was able to take the Mk4 bike on another trail ride. Unfortunately my camera played up and I didn't get half of my footage recorded like I thought.
The Mk4 bike is really beginning to show signs of wear, as in this video I clock over 600 kilometres according to the odometer on the bike.
Poor quality aside, I am absolutely LOVING the torque that the 48 tooth sprocket offers. It encourages yobbish riding and high RPM which may account for the number of things that have been breaking lately!
The signature front fender is on its last legs (or wheels?) as the vibrations are causing the thin metal to shear away from the frame.
The clutch pads are so badly worn (I've known this for a while, though) that I had to cut my ride short because my clutch seized up in the middle of the forest. We got going again and got home. Only to discover a fuel leak in a segment of line that I had to replace between the rear tank and the fuel filter.
And I managed to drop the bike, causing my bar end mirror to break, but it's still attached so it can stay like that for a while.
I had hinted that I was going to be getting the Mk3 bike up and running again however I'm having just as many wear-and-tear issues with that frame. Namely the constancy of severing brake lines. So I am considering harvesting the rear wheel of the Mk3 in order to get the Mk2 frame going again. The Mk2 is still basically a brand new frame, it failed when I crashed it and bent the rear rim. I had originally used the rim from the Mk1 bike to get going again but unfortunately I had issues with the gearing on that bike from day 1 and I managed to drop all of the bearings out of the freewheel assembly. Hence why it doesn't work as a bicycle.
However the Mk3 rear wheel should fit and be expected to work, as the Mk1,2, and 3 bikes are all 26" (or 45 balls of wool and a cat's tail) 21 speed Shimano.
My plan for the Mk2 Revival is to use the 50cc engine originally intended for the Mk4 bike (if you've been following the build, you'll spot that the 50cc only stayed on for one ride) and because it's seriously lacking in torque compared to the 80cc, I've ordered a 56 tooth sprocket (rag joint, of course) to pair with it. I'm curious to see whether the higher ratio on the smaller engine will make a noticable difference. Keep an eye out for that in a future video.
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