I had been laid up in bed with
a badly broken left leg for a few weeks when I began putting together a new
project bike that would incorporate all the bells and whistles yet maintain a
vintage flavor to it. The bike had to be special and unique to satisfy my taste
buds in this regard. This would be a “center-port” build from scratch. I
wanted the bike to look and be set up differently than any other CZ out there.
This would be a special bike
as a racer and a collectible piece in a single unit. Centerport CZ’s are rare
and highly desired among those that just have to have something akin to a
factory works bike. So, here it is after 7 months of planning and building. The
bike is basically a 250cc reed motor with a handmade center exhaust port
exiting the authentic Falta cylinder like the works bikes. The frame is a brand
new 513 series unit with a custom made 1975 era rear sub frame assembly grafted onto it.
Has 8" of travel up front, 5" in back through premium Ohlins shocks
and a whole lot of neat parts in between. Billet triple clamps are Czech made from
the motherland as well as the 8 oz all aluminum rear brake plate. Reed valve is
a tried and true DH 4-pedal reed unit coupled with a 34mm Mikuni and boost
porting. Electronic flywheel ignition by B.U.S. fires the plug magnificently.
Engine starts on first kick every time! Excel rims, Buc's spokes, Pro-Form
Racing pipe and a premium CZ chain. Nice slim alloy fuel tank and a new Bertus
period correct seat assembly top off the old school look of the bike.
Everything is brand new except
the fork sliders, hubs and engine cases. The bike runs better than stock with a little extra pep.
Five speed 250 Falta gear ratio transmission that shifts like butter with a dry clutch. All in all a great
little CZ in which I thoroughly enjoyed building.
- click pics to enlarge -
The resto-mod is birthed at the famous Bertus CZ shop. The collection
of new parts begin to gather on his display case full of cool CZ goodies!
The rear fender loop and swingarm/shock arrangement is done.
Rolling chassis is mocked up to finalize fittment of sub-components.
Note the Pro-Form Racing pipes.
Czech made billet triple clamps B.U.S. electronic ignition
34mm Mikuni with DH-4 reed
Authentic Falta fork spring preloaders
Motor is brand new top to bottom!
If you are curious what the frame color is, its Penske Red. The same color
spec'd out for Roger Penske's past Marlboro Indy cars.
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