catalogue 2011 s - roost exhaust systems · piaggio rst.205 minarelli rst.105 70cc high-end engines...
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www.roost.si
Maximum performance
Advanced technical solutions
Wide range of models
Special parts
SCOOTER - DRAG - MINIMOTO
CATALOGUE 2011
The exhausts. Performance and quality, this is our aim!
The exhaust system is one of the most important two-stroke enginecomponents, the performance depends on it. In order to achieve the fullpotential of an engine setup, a properly developed and carefully manufacturedexhaust system is indispensable.
Design. Special attention was given to themanufacture of our exhaust systems,materials were carefully selected andcarefully assembled, having in mind Yourbike is more than just a powerfullcompetition machine.
Performance. Countless hours werespent on the development of the geometryof the exhausts - on the dyno bench andtrack. Along that, careful manufacturingensures maximum performance out ofyour engine.
Advanced solutions. Attention was givento details; perfectly fitting CNC machinedheaders, with O-rings that ensure theabsence of oil leaks. While a well toughtsystem of spring removal makes amechanic’s life easier.
What more do exhaust system offer;- Wide product range, for many different engine blocks and specificcylinders.- High temperature resistant transparent laquer.- Special shape of exhaust flanges on some models.- Carbon fiber silencer, with sound absorbing glasswool wrappedaround perforated tube.- Available the normal and straight „sprint“ silencer.
Piaggio RST.205
Minarelli RST.105
70cc High-end engines
Circuit racing / Drag racing
Maximum power 13.500 - 14.200 RPM
Carbon fiber silencer, 60 x 250mm
The ROOST RS5 is
developed for the
highest performance
possible out of your
70cc competiton
engine. The ideal
choice for outstanding
acceleration and
maximum top speed.
Works best on cyinders
rated at +20HP
80-90cc High-end engines
Circuit racing / Drag racing
Maximum power 13.400 - 14.000 RPM
Carbon fiber silencer, 60 x 250mm
The ROOST R86 is
developed for the latest
generation of 80-90cc
high-end cylinders.
Bigger exhaust volume
for the bigger cylinder
displacement. Works
best on cylinders rated
over 25HP.
EXHAUST SYSTEMS
RS5
R86
CATALOGUE 2011
Piaggio RST.286
Minarelli RST.186
Race use only. Use on public road prohibited by law.
Piaggio RST.270
Minarelli RST.170
70cc Stage6 R/T cylinders
Circuit racing / Drag racing
Maximum power 13.500 - 14.200 RPM
Carbon fiber silencer, 60 x 250mm
For Stage6 R/T 70cc
version cylinder.
Perfectly manages the
performance
characteristics of this
cylinderkit. Specially
shaped flange matches
the exhaust port shape
ensuring maximum
performance.
Piaggio 84cc
Piaggio 94cc
RST.284
RST.294
Minarelli 84cc
Minarelli 94cc
RST.184
RST.194
84-94cc BigEVO engines
Circuit racing / Drag racing
Maximum power 13.200 - 13.800 RPM
Carbon fiber silencer, 60 x 250mm
Is our exhaust made to
fit perfectly the
connection and
performance of the
BigEVO cylinderkits.
Features the three-
screw flange.
Race use only. Use on public road prohibited by law.
RT70
BE84
BE94
EXHAUST SYSTEMS
CATALOGUE 2011
70cc racing cylinders
Circuit racing / Drag racing
Maximum power 13.000 - 13.500 RPM
Carbon fiber silencer, 60 x 250mm
For the Minarelli
vertical engine.
Fits the Minarelli
vertical engine tuned
with the most powerfull
70cc cylinderkits
available for this
engine.
70cc midrange cylinders
Circuit racing
Maximum power 12.000 - 12.800 RPM
Carbon fiber silencer, 60 x 250mm
The ROOST SP1 is
developed for the
midrange 70cc
cylinders, rated 14-
18HP. Even the milder
midrange cylinderkits
can become serious
competition tools.
Race use only. Use on public road prohibited by law.
MV70
SP1
EXHAUST SYSTEMS
CATALOGUE 2011
Minarelli vertical
RST.370
Piaggio RST.201
Minarelli RST.101
MODEL LIST
Code Complete list of models with description
RST.101RST.201
RST.105RST.205
RST.177RST.277
RST.186RST.286
RST.184RST.284RST.194RST.294
RST.170RST.270
RST.370
RST.470RST.471
RST.500
RST.105.RST.205.
RST.XXX.
EE
S
SP1 Minarelli, midrange 70ccSP1
R77R77
R86R86
BE84BE84BE94BE94
RT70RT70
MV70
PV70PH70
Minimoto
RS5RS5
Piaggio, midrange 70cc
Minarelli, racing 77ccPiaggio, racing 77cc
Minarelli, racing 80-90ccPiaggio, racing 80-90cc
Minarelli, BigEVO 84ccPiaggio, BigEVO 84ccMinarelli, BigEVO 94ccPiaggio, BigEVO 94cc
Minarelli, Stage6 R/T 70ccPiaggio, Stage6 R/T 70cc
Minarelli vertical engine, racing 70cc
Peugeot vertical engine, racing 70ccPeugeot horizontal engine, racing 70cc
50cc competition
Minarelli, EVO1-2-3 70ccPiaggio, EVO1-2-3 70cc
All exhausts are available on special order with the straight „SPRINT“ silencer
RS5RS5
Minarelli, racing 70ccPiaggio, racing 70cc
www.roost.si
PERFORMA d.o.o.Trgovska ul.4 , 6310 Izola, Slovenia, EU
Tel.: 0038640399793www.roost.si