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Intake Manifold DRT

for maintenance disc valve PX
engine, SI standard
carburettor can still be
used, for Vespa 125 VNB-TS/150
VBA-Super/Rally/PX80-200/PE
/Lusso/T5/Cosa,
reed valve, incl. CNC milled
adapter plate, need to be
welded on by models with oil
-pump! incl. gaskets

Everyone has experienced it: The disc valve has given up and the engine isn't working any more (especially when idling). Putting a defective disc valve sealing surface back in order is so costly, however, that the only sensible option is a radical conversion to reed valve control. In this area, repair kits offer a more straightforward solution.

 

The WORB5 kit consists of an LML reed valve manifold with a shortened end stop, a CNC milled adapter plate, a modified reed valve with 0.3mm carbon-petals and an M7 set of screws. It is fitted externally between the crankcase and the carburettor box. The reed valve then takes control of the opening and closing of the defective disc valve intake. To this end no (and/or minimal) work is necessary on the engine block and the total construction height (approx. 16mm higher) does not provide any problems on the frame. It is possible to continue using the original crankshaft and the SI carburettor. On engines with a small sealing surface on the crankcase these may have to be extended somewhat with external welding or 2 component metal.

 

Italian tuning experts DRT also offers a repair module for defective largeframe disc valves. The intake manifold is fitted with a high performance 3-valve reed valve and also has a big intake cross section. It is possible to continue using the original SI carburettor and thanks to the offset hole pattern for attaching the carburettor casing / carburettor there is no space problem in the frame. Together with a disc valve intake manifold from POLINI/MALOSSI/SCOOTRS which you can attach to the DRT intake manifold as a 'connecting piece' bigger tuning carburettors can also be used with it. To install the DRT kit, extensive modifications are necessary to the crankcase. On Lusso models, the components also have to be welded.

 

MAMO from Vincenza, produce a simple and cheap variety of disc valve repair as part of the SERIE PRO range. A rubber coated steel plate with a 0.3mm carbon fibre reed is simply placed between the carburettor box and the crankcase without modification to the inlet itself, plug and play!

 

Conclusion: The perfect solution on a defective disc valve!

 

SIP-TIP: Combined with the POLINI intake manifold disc valve (part no 21501100) the DRT intake manifold can also be ridden with carburettors of up to 30mm.


OEM Numbers (for the purpose of comparison)  C lam Sl VO 286.287k (2015) (DRT)


Customers also searched for this article with:  inlet manifold, carburator manifold


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$143.79
Art.No.
40311600
300g / piece
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icon scootermodels This product fits the following models
  LML
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
LML Star 125 2T/ DLX / Via Toscana / Deluxe 125 2T AC not in series
LML Star 150 2T / DLX / Via Toscana / Star / Stella / Belladonna RV 150 2T AC not in series
  VESPA
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 (T2/125) (D) 125 VNB1-6 2T AC `59-`65 not in series
VESPA 125 GT / 125 Sprint 125 VNL1-2 2T AC `61-`73 not in series
VESPA 125 GTR 125 VNL2T 2T AC `68-`78 not in series
VESPA 125 S 125 VNS1-6 2T AC `59-`65 not in series
VESPA 125 Super 125 VNC1T 2T AC `65-`69 not in series
VESPA 125 TS 125 VNL3T 2T AC `75-`78 not in series
VESPA 150 150 VBB1-2 2T AC `60-`67 not in series
VESPA 150 (T4/150) (D) 150 VGLA-B 2T AC `59-`65 not in series
VESPA 150 GL 150 VLA1T 2T AC `62-`64 not in series
VESPA 150 Sprint 150 VLB1T 2T AC `65-`74 not in series
VESPA 150 Sprint Veloce 150 VLB1T 2T AC `69-`79 not in series
VESPA 150 Super 150 VBC1T 2T AC `65-`79 not in series
VESPA 180 Rally 180 VSD1T 2T AC `68-`73 not in series
VESPA 200 Rally 200 VSE1T 2T AC `72-`79 not in series
VESPA COSA 1 150 VLR1T 2T AC `87-`90 not in series
VESPA COSA 1 200 VSR1T 2T AC `88-`91 not in series
VESPA COSA 1 125 VNR1T 2T AC `88-`91 not in series
VESPA COSA 2 150 VLR2T 2T AC `91- not in series
VESPA COSA 2 125 VNR2T 2T AC `91- not in series
VESPA COSA 2 200 VSR1T 2T AC `90-`96 not in series
VESPA P125X 125 VNX1T 2T AC `77-`82 not in series
VESPA P150 S 150 VBX1T 2T AC `78-`90 not in series
VESPA P150X / PX150 E 150 VLX1T 2T AC `78-`85 not in series
VESPA P200E / PX200 E 200 VSX1T 2T AC `77-`86 not in series
VESPA P80X/PX80 E 80 V8X1T 2T AC `81-`83 not in series
VESPA PX 80 E Lusso/ EFL/ Arcobaleno / Elestart 80 V8X1T 2T AC `83-`90 not in series
VESPA PX100 E 100 VIX1T 2T AC `83-`84 not in series
VESPA PX125 2011/ 30 Jahre 125 ZAPM74100 2T AC `11- not in series
VESPA PX125 CAT 125 ZAPM50100 2T AC `07- not in series
VESPA PX125 E 125 VNX2T 2T AC `81-`83 not in series
VESPA PX125 E `98 / Millenium 125 VNX1T 2T AC `98-`05 not in series
VESPA PX125 E Lusso/EFL/Arcobaleno / Elestart 125 VNX2T 2T AC `83-`97 not in series
VESPA PX150 2011 150 ZAPM74200 2T AC `11- not in series
VESPA PX150 E `98 / Millenium 150 VLX1T 2T AC `98 not in series
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 VLX1T 2T AC `83-`97 not in series
VESPA PX200 E `98 / Millenium 200 VSX1T 2T AC `98- not in series
VESPA PX200 E Lusso/ EFL/ Arcobaleno / Elestart 200 VSX1T 2T AC `83-`97 not in series
VESPA T5 / Elestart 125 VNX5T 2T AC `85-`90 not in series
VESPA T5 Classic 125 VNX5T 2T AC `92-`95 not in series

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