Welcome to Underbone Tuner

Underbone tuner is a free online magazine for Underbones, Scooters, Backbones and occasionally we might squeeze in a big bike or two . We have been covering small motorcycles modifying culture for over 8 years already and still counting. We have the latest updates/news on motorcycle racing events from all over the country such as circuit, motocross, flat track, endurance, trail and supermoto. We cover motorshows from all over the country. We cover the latest bike launches and the latest trends in bike modifying culture.

But at the core of Underbone Tuner is the bike modifying / customizing culture. We scour the country for the best motorcycle builders/modifiers. We feature the owners of these amazing bikes and the talented teams and individuals behind these bikes. We give you the story behind those builds and hopefully we inspire others to keep this fascinating culture alive.

This website is dedicated to all motorcycle enthusiasts, this our life, this is our passion, this is who we are. We may be riding different bikes but we share the same fascination and love for motorcycles. We are all brothers in two wheels.

Friday, August 11, 2017

Built like a Bullet: Honda TMX Cafe Racer by Revolt Cycles

By: Arnel B. Santos-Ynigo, (Photos) Ralph Planteras

For this week we are featuring a Cafe Racer built by Revolt Cycles of Cebu. A few issues ago we featured "Revolt Cycles" on a introduction article, but that was just the tip of the ice berg. This time around we are going to explore the fascinating details of one of the latest project bikes of the Yu brothers (Jon Kevin Yu and Louie Yu) of Revolts Cycles the Honda TMX Red Cafe Racer.

The bike is basically a rebuilt Honda TMX 155. During its initial state it was pretty much a beat-up
Motorcycle Taxi or Habal-Habal. But the Team at Revolt Cycles rebuilt the worn down engine giving it a new lease on life. The original sub frame was bent and all rusted up inside and out with unnecessary joint  and support welds. So the team decided to take the whole subframe off and made a new one that is more cleaner and simpler.

The team had to make a lot of considerations design wise such as the the seat height,  swingarm length, clearance between the seat and the tires and also the rebound of the rear suspension  (unload and load rebound) together with the mono shock fitment. The team also tucked-in the battery inside the custom made seat bump padded with a custom matte black leatherette  with red crossed stitch pattern for that old school classic look.  The team also opted to change the original gas tank with something more bigger and a bit more edgy to match the  bikes sleek angle and geometry. They used a Gas tank from a Kawasaki HD3 with some custom knee dents. They also Custom fitted the tank to the frame to get that perfect placement and look. The swingarm used is from a Suzuki Raider 150 extended about 1.5 inches so as the tires can fit in  perfectly and have clearance for adjustment. It took 3-4 months to finish the project as the team did a lot of custom fabrications on the bike such as the sub-frame, swing arm, gas tank, and rear sets.

"The main special feature of this build will have to be our custom LED brake lights mounted inside the rear  loop so as to have a cleaner yet unique look to the bike. The engine was completely reworked with new internal  parts for that optimum and perfect performance.  Had a custom fabricated angled bullet pipe from BJS workshop to add that mean thumper sound from a small  yet powerful single. Customized rearset mounts to add that Cafe Racer stance.  We can say that the TMX155 is the best base bike for a good caferacer or tracker/scrambler build as it has the perfect old school platform and that powerful pushrod single cylinder engine." Jon Kevin added during an interview.

"Most of the parts we used are items that we carry such as the aluminum signal lights,  beston grips, bar end side mirrors and most especially the Fuckstone tires  (replica design of the old school tread pattern Firestone Deluxe tires) fitted on some  wide 17 inch aluminum rims. We also fitted a single post type head lamps from Oldies Goodies.  The most challenging aspect of this build would be the sub-frame, we chopped off the original  sub-frame then custom made a new one fitted with a mono shock assembly. We made sure the mono shock is  centered and aligned with the frame and swing arm." Louie Yu reiterated during an interview.



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