Summary of Parilla SCREAMER KZ1
Page 1
++ basic manual “screamer” kz1 / kz2.
Page 2
Feeding fuel mixture 98no (min. 95no) and 4,5% oil (cik homologated) gearbox lubrication attention: the engine is supplied without oil in the gearbox. Gearbox oil charging before using, fill with approx. 300÷330ml sae 10w50 oil, through the charging hole. (a) . Gearbox oil discharging remove the dra...
Page 3
Cooling system connections connect the system as shown in figure once the system is filled (with pure water), provide to the proper air venting. We recommend the use of a 3 way-thermostat (opening temperature 48°c±2), as shown on the drawing, especially during the wintertime. It is though possible t...
Page 4
Electric system electric connections the engine is provided with an analogic ignition with advance timing usually set to 1.60mm before tdc. The spark instant is when the notches, on the rotor and the stator, coincide. Attention: very important is to connect the copper wire to engine and coil’s body ...
Page 5
Fuel pump installation of pump bracket correct feeding pipes connection remember to connect the copper wire and the other connections as shown in the picture of the previous page breather return to tank inlet (from tank) delivery to carburettor (through "y"pipe fitting) delivery to the carb. 4.
Page 6
Exhaust gas temperature probe the muffler, supplied with the engine is provided with a temperature probe fitting which is not drilled. Whenever you wish to employ the probe, please proceed as shown in the figure below. Exhaust length setting the following table shows the exhaust length setting (dist...
Page 7
Steering-wheel clutch lever setting whereas the iame clutch is equipped with a system to make the drag more progressive, needs a clutch lever stroke little bit longer to disengage completely. To the proper lever setting, we therefore recommend that while the lever is fully pulled all the clutch is a...
Page 8
Main engine components average estimated life the estimated life of the different components, of the engine, changes according to the use and to the desired performance . Piston as detailed in the previous paragraph, during the competitive use we suggest the replacement after 30lt. For not competiti...
Page 9
"dell’orto vhsh 30 cs” carburettor setting basic setting carburettor - kz screamer max. Jet = 180 atomizer = dp 268 fuel needle = 300 idle jet = 60 needle = k98 (3^ notch) throttle valve = 50 starter jet = 60 float = 9g float chamber level = 11.5mm idle emulsioner = b 100 to check / to update by the...
Page 10
We generally consider three ranges of engine operation: the idle rpm or low rpm, achievable with slightly opened throttle, the mid rpm or transition rpm, achievable with intermediate throttle lever opening, and the max. Rpm, achievable with max. Throttle opening. In a float chamber carburettor such ...
Page 11
The carburation at mid rpm it can be set by means of: - conical needle - the spray nozzle the conical needle acts as shutter on the spray nozzle hole, and its axial position is determined by the throttle opening. Thanks to its particular conical configuration, when the throttle gradually opens, the ...
Page 12
To reach the max jet , unscrew the central plug on the float chamber (see fig. 4), or disassemble the float chamber itself. As anticipated just above, there is no clear distinction among the areas of influence of the various components, as they interact and influence each other. Generally the max je...
Page 13
The above data are merely indicative, as many factors influence the carburetion and only a few are easily ponderable. With these indications we wish to give the user a general guide line and avoid damaging the engine under environmental conditions which make the carburetion substantially leaner. A f...
Page 14
It is necessary to disassemble the float chamber, and check if there is fuel inside, remove incrustations and re-establish the proper fuel admission through the floater-valve assembly. Table setting carburettor optimized for competitive use environment temperature needle notch atomizer max. Jet idle...
Page 15
Technical data engine summary table description data notes fuel mixture / fuel 4.5 % of oil 98 no (min. 95 no) oil cik homologated gearbox oil 300÷330 ml specific sae 10 w 50 operating temperature engine min.50°c / max. 58°c exhaust angles timing reference 195.5°÷196.5° feeler gauge 0.2x5mm timing a...