just want to share some more experience with my AM1000. After all i am very happy with my bike. most of the problems or issues are mentioned in the thread. and i knew what i would buy and i like DIY bikes
. additionally i want to share an issue that might be very risky.
my bolts of rear suspension were too short (upper: 2mm / lower 2.5mm). you can remove the both right screws. or you can check it using an allen key and spin the left screws clockwise - there shouldnt be any noise and spinning should be smooth and without using much power (no side pressure).
but exactly this was not the case. so i removed the rear suspension.
for the upper bolt i could use a 2mm washer (6mm inner / 8mm outer diameter) because the bolt (65mm) was long enough to cover/fill the 2 inner rings of the ball bearings. Only to avoid side pressure i had to use an additional washer. bolt axle should move free without any pressure. optimal length would be around 67 mm, but i did not find that length and i did not want to shorten a longer bolt.
the lower bolt did not fill the ball bearing inner ring at the right side. bolt is appr. 39mm which is too short - i needed 41mm. so i now use a 44mm bolt with 3x DIN-1mm-gab washer. so i have exactly 41mm. the short bolt damaged the 2 ball bearings - right inner ring was split in 2 halves (but i did not recognize it - rear suspension did not made any noise and still worked) - left ball bearing was not spinning smooth anymore. i had to replace the 2 lower ball bearings (SKF 8x16x5mm 628/8-2RS1).
perhaps this issue might also damage the rear suspension attachment itself.
i have the rear suspension attachment in attached picture...