This is how you build a reliable 74cc two-stroke 5-speed engine. A year ago, I uploaded a video called "Tomos 74cc APN4/4L 5 Speed Engine Build Timelapse". Back then, I did not realize slamming a Puch 74cc Airsal cylinder on a Tomos APN engine would be so problematic and expensive ;)
Setup is a Puch 74cc Airsal kit, Dellorto PHBG 21mm, custom intake manifold, custom exhaust pipe and carbon fiber muffler, MVT premium inner rotor ignition system and a Rito crankshaft. I changed the original L17 bearings with solid 6203 crank bearings. Finally, my Tomos Revival Café Racer project is a reliable moped!
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Parts used for the Café Racer build:
- Fuel tank (without sensor): https://amzn.to/3NLxKiU
- Seat pan: https://amzn.to/3CgQgwY
- Speedometer: https://amzn.to/3OHZO76
- Carbon fiber handlebars: https://amzn.to/45iABHd
- Tail lights: https://amzn.to/3YLj0W1
- Clip-ons: https://amzn.to/3P6LjLw
- Foot pegs: https://amzn.to/3qNQuX7
- Shift/brake pegs: https://amzn.to/45gFpNv
Watch my Tomos Café Racer Project Series: https://bit.ly/44mFn5p
Watch my Tomos A35 Content: https://bit.ly/3YJFneq
Social media:
Instagram: tomology74
Contact:
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Disclaimer: Building and modifying engines and/or mopeds require technical skill and safety precautions. Try at your own risk!