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Summary of Contents for IAME Parilla SCREAMER KZ1
- Page 1 BASIC MANUAL “SCREAMER” KZ1 / KZ2...
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Page 2: Gearbox Lubrication
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 drain plug to discharge oil, inspect the magnet in the plug to check... -
Page 3: Cooling System Connections
COOLING SYSTEM CONNECTIONS CONNECT THE SYSTEM AS SHOWN IN FIGURE FROM HEAD PIPE FITTING TO THE CRANKCASE 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. -
Page 4: Electric System
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
FUEL PUMP INSTALLATION OF PUMP BRACKET REMEMBER TO CONNECT THE COPPER WIRE AND THE OTHER CONNECTIONS AS SHOWN IN THE PICTURE OF THE PREVIOUS PAGE CORRECT FEEDING PIPES CONNECTION RETURN TO TANK DELIVERY TO CARBURETTOR (through "Y"pipe fitting) BREATHER DELIVERY TO THE CARB. -
Page 6: Exhaust Gas Temperature Probe
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. drill exhaust Ø4.2 for cylindrical probe drill exhaust Ø4.2 and thread M5 for threaded probe EXHAUST LENGTH SETTING The following table shows the exhaust length setting (distance “X”... - 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 actually disengaged (rotation free by hand of disc thrust plate).
- 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.
- 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...
- 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 as this, there are different devices acting on each specific carburetion areas;...
- 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 needle creates a less shutter in the spray nozzle hole, regulating consequently the fuel flow.
- 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 jet affects not only the carburation at max open throttle but also the whole mid range carburation, even if less sensibly vs.
- 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 fine carb.
- 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. Fig. 6 Fig. 7 TABLE SETTING CARBURETTOR OPTIMIZED FOR COMPETITIVE USE ENVIRONMENT MAX. IDLE THROTTLE NEEDLE...
- Page 15 TECHNICAL DATA ENGINE SUMMARY TABLE DESCRIPTION DATA NOTES 98 NO (min. 95 NO) FUEL MIXTURE / FUEL 4.5 % OF OIL 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°...
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