GX12-CRエンジン ENGINE
Contents
1. 3 ON A Oy mw 2 NG 9 16 NGNI 0NIIINIG The position for mounting the engine depends on the model itself Follow the modelOs instruction manual to mount the engine ENGINE STARTING amp BREAK IN NEEDLE VALVE POSITION WHEN BREAKING IN Adjustthe needle valve as shown below The throttle valve adjustment screw is pre set to standard position Needle Valve 3 turns unscrewed from closed position Unscrew Tighten Throttle Valve Adjustment The low end throttle is pre set If unscrewing the opening in the2. 1 50 C 7 3 4 1 30 30 30 8 7
3. Before use please carefully read the explanations FINEST RADIO CONTROL MODE HHHH ENGINE KYOSHO GX12 CR 3 2 1 KYOSHO NO 6412 BP KYOSHO No 73401 2
4. Adjustments and may slighty vary according to the glow plug and glow fuel used N Warning Except for the needle valve do NOT touch the engine as long as it is hot With nonobs ervance you may get seriously burned ENGINE STARTING amp BREAK IN Proceed as follows Make sure the needle valve and throttle valve adjust ment screw are set to standard positions see 1 in the previous chapter Fill the fuel tank to about 80 Apply full throttle prime the engine send only a little amount of fuel into the carburetor by pushing the choke button 1 2 times then close the throttle On this occasion ensure no dirt enters the tank and clogs the fuel line Attach the glow plug heater or one touch plug heater to the glow plug and electrify it 4 20 30cm 50cm 5 6 2 3 75cc
5. N 4 Quickly pull the starter knob several tmes Only pull 20 30cm of cord Caution Be careful not to pull the cord beyond 50cm for it may tear Once the engine has started make the tires spin aloof and slightly open the throttle As soon as engine RPM have become sta ble detach the glow plug heater or one touch plug heater Run the engine with this setting for 2 3 tanks 75cc with KYOSHO fuel tank If engine RPM are low and the engine stalls though you opened the throttle slightly tighten the needle valve Caution With each tank let the engine cool off naturally the head should not feel warmer than 50i CU If engine RPM are not stable open the throttle and run the car Even when applying full throttle high rpm cannot be reached Needle Valve Ne 300 300 After the 3rd or 4th tank tighten the needle valve 30i with every tank and apply more throttle Repeatstep 7 When your car reaches top speed when running down a straight at full throttle you have found the optimum setting for the needle valve and the break in is completed If you tighten the needle valve furthermore exhausts will get invisible and RPM sag R unning the engine with such setting will definitely damage it Ifthe needle valve is too tight unscrew tt immediately For normal running perfor
6. KYOSHO 3 KYOSHO No FD 30 KYOSHO No 96411 4 amp KYOSHO No 80312 5 KYOSHO No 39308 250cc 500cc KYOSHO No 96421 96422 INSTRUCTION SHEETS No 74522 40 5 O CP 0 NICIINI WS S chnuerle ported 3 ports engine for increased output and extra cooling Lightweight hard anodized aluminum piston and brass cylinder excel in longer engine life R ecoiL starter equipped for fast and reliable engine starts through simple pulls on the rope Dual ball bearing supported crankshaft enhances engine starting and high end RPM and simplifies break ins EQUIPMENT REOUIRED FOR ENGINE STARTING Purchase separately 1 Fuelfor R C models Use glow fuel available in all R C hobby
7. 10 20
8. throttle be comes more narrow and low end RPM decrease Iftight ening 2 pm will rise again Adjust so neither the engine will stall nor the car start off 8 1 lt 2
9. ames 74521 01 NO 1200 9 74521 13Z IT 1500 6 7452102 12 Cyinder amp Pieton Acsemby 2000 74521 142 CatbretorThrotle CD 2900 74521 03 13 PeianPinset 400 7452115 126asketsee 200 74521 04B OR 8 74521 16 I GS 2309 74521 05Z OY 2100 74521 17Z EE 350 14521 06 Cankshat CBD 1500 14521 19 12 Cyinder nead CRYShort ype 1200 14521 07 Ba Bearing trge 750 14012 016 15 Cyinder Head CRYShoR ypa Gald Calon 1300 14521 08 gall esiing smal 750 14015 01G 13 Cyinder Head CR Ga Colon 400 14521 09 Bive Washer amp Colet 250 74015 02 13 Cylinder amp Pieton Assemby 2000 7452110 Recolsanershet 350 14015 03 15 Panpmset 400 2 or recol sa 350 7401505Z 15 Crankease CR 2100 4521 122 RecoWSrer Assemby 1200 1401515 8 Gasetset 200 NC 243 0034 153 TEL 046 229 4115 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE 10 00 17 00 2000 KYOSHO 68430004 1 PRINTED IN KOREA
10. mance un screw the needle valye 10i to 20i from the optimum setting Note The optimum setting may slightly vary according to the glow plug and glow fuel used as well as to changing weather congitions Caution Do step 8 only when running your car The engine wil be damaged if the wheels are still spinning aloof PAINIISNPAN G When not running the engine for a longer period of tme draw out any fuel left in the fuel tank Draw out fuel from inside the engine and fuel line as well Otherwise it may dry up and clog the engine and fuel line Brush or wipe off any dirt from outside the engine using methanol Methanol is highly inflammable and should be kept away from any fire or any other heat source while cleaning If the glow plug deteriorates engine RPM become un steady and engine starting more difficult Therefore check the glow plug on a regular basis and replace it if necessary instead of methanol when Warning Cleaning 0 Never use gasoline or thinner 2 GX12 CR GX15 CR 574521 17Z EXPLODED VIEW CO ae et 74521 19 74012 01G 74521 12Z 74521 01 74015 01G 74521 15 RN 74521 17Z 74015 15 se 74521 02 74015 02 74521 03 74015 03 74521 04B 74521 10 74521 06 Part Names 8 Part N
11. shops Handy Fuel from KYOSHO No 6412 BP Fuel Peak Powerfrom KYOSHO No Never use gasoline kerosene or alcohol instead of glow Warning fuel Their use may cause 2 Glow Plug Use a high performance glow plug e g KYOSHO brand glow plugs S upplied with engine kits 3 Glow Plug Heater and Dry Batteries Used for heating and electrifying the glow plug Battery Holder Setfrom KYOSHO No FD 30 4 Plug Wrench For removals when examining or exchanging the glow plug Locking Jig amp Wrench Setfrom KYOSHO No 80312 5 Fuel Filter Fuel Filter from KYOSHO No 39308 A fuel bottle comes in very handy for quick and neat tank refills Quick Fill Fuel Bottle 250cc 500cc from KYOSHO No 96421 96422 HHHHHHHHLH HE AD NEEDLE VALVE FUEL INLET THROTTLE VALVE ADJUSTMENT SCREW STARTER KNOB THROTTLE LEVER RECOIL STARTER
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