Robin EX27 parts manual

PARTS MANUAL EX27 ENGINE Models PUB-EP1679 Rev. 09/08

EX27 - 3 - 09-08 HOW TO USE THIS MANUAL Robin engines are identified by MODEL, SPECIFICATION, and CODE NUMBER. For each model there may be many different versions called specifications. Each specification will be unique in some way. The difference may only be the paint color or it may have a different type of PTO or some other significant difference. In order the identify the correct service part number, it is important to confirm the specification and code numbers for your engine. The specification and code number together are know as the PRODUCT NUMBER. All Robin 4 cycle engines have a Product Number label similar to the label illustrated below. The Product Number Label has a 15 digit alphanumeric string that consists of the SPECIFICATION (SPEC) number (11 digits) and the CODE number (4 digits). Please note the illustration below: X X X X SPEC NO. (11 digits) CODE NO. (4 digits) PRODUCT NO. (15 digits) E X 2 7 0

EX27 - 4 - 09-08 MANUAL LAYOUT 1. SECTION NAME Parts are broadly classified according to their functions. Refer to the Group Index (table of contents) for respective section name. 2. FIG. No. The FIG. number indexes the reference and part numbers to the illustration. Figure numbers that vary only in the tens place (i.e..: 700 and 710) are in a group of the same section (i.e..:Electrical Device Group). 3. REF. No . The Reference number identifies the part illustration with the corresponding part number in the part list. 4. SUBASSEMBLY SUBASSEMBLY parts of part assembly are listed below the assembly part. The subassembly part reference number is indicated by the number led by "-" such as "-1", "-2". 5. PART NUMBER It is the number assigned for sales unit. Use the PART No. when making an order. 6. DESCRIPTION It is designation of the part. 7. QTY. Quantity of each part used for each product. 8. REMARKS This gives a distinctive feature and/or a supplementary comment for the type, the specification, and the part concerned. It also shows part number(s) interchangeable for the part. 9. FROM-TO This section shows the CODE No. to indicate the history of progress in which improved parts have been introduced in the product. The FROM-TO CODE No. helps to identify PART No. being employed in the product concerned. See the examples below: - The part is used in the product irrespective of CODE No. 2101- The part is used in the products with CODE No. of 2101 and after this number. - 2100 The part is used in the products with CODE No. of 2100 and before this number. 1 2 3 4 1 6 7 9 2 8 3 5 4

EX27 - 5 - 09-08 GROUP INDEX Group Name Page CRANKCASE GROUP ............................................................................... 6 CRANKSHAFT GROUP ............................................................................. 8 INTAKE and EXHAUST GROUP.............................................................. 10 GOVERNOR GROUP .............................................................................. 14 COOLING and STARTING GROUP ......................................................... 16 FUEL, LUBRICANT GROUP .................................................................... 18 CARBURETOR GROUP .......................................................................... 26 ELECTRIC DEVICE GROUP .................................................................. 38 ACCESSORY GROUP ............................................................................. 42 SYMBOL DESCRIPTION AY ........................... ASSEMBLY CP........................... COMPLETE EX ........................... EXPORT (from Japan) FIG.......................... FIGURE FR. .......................... FRONT " .............................. INCH INCL. ...................... INCLUDE ~L............................ LITER L= ........................... LENGTH (in. mm) L.H. (LH) ................. LEFT-HAND SIDE MECH ..................... MECHANICAL NO (NON) ............... NONE OPT ......................... OPTIONAL O.S. ........................ OVER SIZE SYMBOL DESCRIPTION P= ........................... PITCH (in mm) P.T.O. (PTO) ........... POWER TAKE OFF REF . ........................ REFERENCE R.H. (RH) ................ RIGHT HAND SIDE RR. ......................... REAR STD. ....................... STANDARD SW .......................... SWITCH T= ........................... THICKNESS (in mm) UN .......................... UNIT U.S.......................... UNDER SIZE ~V ........................... VOLTAGE ~W .......................... WATT W/ ........................... WITH W/O ........................ WITHOUT INDEX OF DESCRIPTION SYMBOLS

EX27 - 6 - 09-08 SECTION 1 CRANKCASE GROUP FIG. 100 270 280

EX27 - 7 - 09-08 SECTION 1 CRANKCASE GROUP 10 279-10101-91 Crankcase Cp 1 Std 6951~ 100 279-10101-81 Crankcase Cp 1 ~6950 100 10 279-10102-91 Crankcase Cp 1 w/ oil sensor 6951~ 100 279-10102-81 Crankcase Cp 1 w/ oil sensor ~6950 100 10 279-10104-51 Crankcase Cp 1 Balancer Shaft 7092~ 100 279-10104-41 Crankcase Cp 1 6951~7901 100 279-10104-31 Crankcase Cp 1 ~6950 100 20 237-14202-03 Valve Guide 2 100 26 277-16010-01 Stem Seal 1 100 30 044-03001-60 Oil Seal 1 100 40 060-03003-41 Ball Bearing 1 100 46 060-01500-11 Ball Bearing 1 7092~ 100 060-01500-10 Ball Bearing 1 ~7091 100 50 277-15011-03 Pipe Knock 2 100 60 010-50802-50 Stud 2 Exhaust 100 70 010-50604-10 Stud 2 Intake 100 75 044-00600-20 Oil Seal 1 100 80 040-11400-30 Plug 1 100 90 021-11400-20 Gasket 1 100 210 279-11002-11 Main Bearing Cover Cp 1 Std 100 210 279-11004-11 Main Bearing Cover Cp 1 Balancer Shaft 100 220 044-03001-60 Oil Seal 1 100 230 060-03003-70 Ball Bearing 1 100 235 060-01500-11 Ball Bearing 1 7092~ 100 060-01500-10 Ball Bearing 1 ~7091 100 250 277-45004-J1 Governor Gear Cp 1 100 260 277-41901-03 Governor Sleeve 1 100 270 279-63601-13 Oil Gauge 2 100 280 021-32000-50 Gasket 1 100 300 001-04083-50 Flange Bolt 7 100 610 279-13001-21 Cylinder Head Cp 1 100 620 279-15001-33 Gasket, head 1 100 630 011-00802-40 Flange Bolt 4 100 631 011-00803-10 Flange Bolt 1 100 680 277-15503-01 Rocker Cover Cp 1 100 690 277-16001-13 Gasket, rocker cover 1 100 700 277-15011-03 Pipe Knock 2 100 710 011-00600-20 Flange Bolt 4 100 960 279-99001-27 Gasket Set 1 100 REF. PART NO. DESCRIPTION QTY. REMARKS FROM-TO FIG.

EX27 - 8 - 09-08 SECTION 2 CRANKSHAFT GROUP FIG. 200

EX27 - 9 - 09-08 SECTION 2 CRANKSHAFT GROUP 10 279-20901-61 Crankshaft Cp 1 1” key, 3/8 tap - No balancer 200 279-20902-21 Crankshaft CP 1 1" key, 3/8 tap - With balancer 200 279-21001-31 Crankshaft Cp 1 1” Pump 200 279-21201-31 Crankshaft Cp 1 SAE Taper 200 279-20201-61 Crankshaft Cp 1 Metric 25mm key 200 279-20301-41 Crankshaft Cp 1 Metric Pump 25mm key 200 279-20701-41 Crankshaft Cp 1 Metric Taper 200 50 018-01800-10 Flange Nut 1 200 70 032-30300-10 Woodruff Key 1 200 80 207-26001-03 Key 1 200 210 279-24101-13 Balancer Shaft 1 200 310 279-22501-20 Connecting Rod Ay 1 200 320 279-23001-03 Connecting Rod Bolt 2 200 350 279-23301-13 Piston Pin 1 200 360 279-23401-H3 Piston 1 Std 200 279-23403-H3 Piston 1 Oversize 0.25mm 200 279-23404-H3 Piston 1 Oversize 0.50mm 200 370 279-23511-17 Piston Ring Set 1 Std 200 279-23512-17 Piston Ring Set 1 Oversize 0.25mm 200 277-23513-17 Piston Ring Set 1 Oversize 0.50mm 200 370 TBD Piston Ring Set (DE) 1 Std 200 TBD Piston Ring Set (DE) 1 Oversize 0.25mm 200 TBD Piston Ring Set (DE) 1 Oversize 0.50mm 200 380 056-51800-10 Clip 2 200 REF. PART NO. DESCRIPTION QTY. REMARKS FROM-TO FIG.

EX27 - 10 - 09-08 SECTION 3 INTAKE and EXHAUST GROUP - NEW STYLE FIG. 300

Robin EX27 parts manual

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