Honda Crf250l Service Manual
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12-8 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Install the return spring [1] to the right crankcase cover by aligning the spring short end with the hole of the clutch lifter arm and long end with the groove of the right crankcase cover. INSTALLATION Be careful not to damage the mating surfaces.Clean any gasket material from the mating surfaces of the right crankcase and cover. Apply engine oil to new O-rings [1]. Install the collars [2] and O-rings. Install the dowel pin A [1], dowel pin B [2] and a new gasket [3]. Be careful not to let the return spring fall into the crankcase.Install the right crankcase cover [1] while turning the clutch lifter arm [2] clockwise to engage the lifter arm spindle groove with the lifter piece flange. Install and tighten the bolts [3] in a crisscross pattern in 2 or 3 steps. [1]Align Align /[2][1] [3] [2][1] [1][3] [2]
12-9 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Connect the water hose [1] and tighten the water hose band screw [2] (page 9-7). Install the rear brake light switch holder [3] and tighten the bolt [4]. Connect the clutch cable [1] to the clutch lifter arm [2]. Install the clutch cable guide [3] and bolts [4]. Tighten the bolts securely. Install the following: – Brake pedal (page 18-12) – Frame guard (page 2-6) – Water pipe (page 9-13) Adjust the clutch lever freeplay (page 3-18). Fill the engine with the recommended engine oil (page 3-9). Fill the recommended coolant and bleed the air (page 9-5). CLUTCH REMOVAL Remove the right crankcase cover (page 12-4). Loosen the clutch lifter plate bolts [1] in a crisscross pattern in 2 or 3 steps. Remove the clutch lifter pl ate bolts and clutch springs [2]. Remove the clutch lifter plate [3]. Remove the clutch discs [4] and plates [5]. Remove the clutch lifter piece [1], judder spring [2] and spring seat [3]. [4] [1] [2] [3] [2][3] [4] [1] [4]/[5] [3] [1]/[2] [1] [2]/[3]
12-10 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Unstake the clutch center lock nut [1]. Hold the clutch center [1 ] with the special tool and loosen the clutch center lock nut [2]. Remove the clutch center lock nut and washer [4]. Remove the washer [1] and clutch outer [2]. Remove the needle bearing [1], clutch outer guide [2] and washer [3] from the mainshaft. Unstake [1] TOOL: [3] Clutch center holder 07724-0050002 [3][2]/[4] [1] [2][1] [1][3] [2]
12-11 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE INSPECTION Inspect the following parts for scratch, damage, abnormal wear and deformation. Replace if necessary. – Clutch lifter bearing – Clutch springs – Clutch center – Clutch discs/plates – Clutch outer – Clutch outer guide/needle bearing – Mainshaft Measure each part according to CLUTCH/GEARSHIFT LINKAGE SPECIFICATIONS (page 1-7). Replace any part if it is out of service limit. • Replace the clutch springs as a set. • Replace the clutch discs and plates as a set. CLUTCH LIFTER BEARING REPLACEMENT Drive out the old bearing from the clutch lifter plate [1]. Drive in a new bearing [2] squarely with its marked side facing up. After installation, apply engine oil to the bearing. INSTALLATION TOOLS: [3] Driver 07749-0010000 [4] Attachment, 28 x 30 mm 07946-1870100 [5] Pilot, 12 mm 07746-0040200 [3] [2] [4]/[5] [1] BEARING CLUTCH SPRING CLUTCH PLATE A WASHER CLUTCH OUTER GUIDE CLUTCH OUTER 108 N·m (11.0 kgf·m, 80 lbf·ft) WASHER NEEDLE BEARING CLUTCH DISC A 12 N·m (1.2 kgf·m, 9 lbf·ft) CLUTCH LIFTER PLATE CLUTCH LIFTER PIECE CLUTCH CENTERWASHER JUDDER SPRING SPRING SEAT LOCK NUT CLUTCH PLATE B (White paint)CLUTCH DISC B (Larger I.D.)
12-12 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Install the washer [1] to the mainshaft. Apply molybdenum oil solution to the clutch outer guide [2] whole surface and install it to the mainshaft. Apply engine oil to the needle bearing [3] rotating area and install it to the clutch outer guide. Install the clutch outer [1] and washer [2]. Apply engine oil to a new clutch center lock nut [1] threads and seating surface. Install the clutch center [2 ], washer [3] and lock nut. Hold the clutch center [1] with the special tool and tighten the lock nut [2] to the specified torque.[1][3] [2] [1][2] [3] [2] [1] TOOL: [3] Clutch center holder 07724-0050002 TORQUE: 108 N·m (11.0 kgf·m, 80 lbf·ft) [1] [3] [2]
12-13 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Be careful not todamage the mainshaft threads.Stake the lock nut [1] into the mainshaft groove. Install the clutch lifter piece [1]. Install the spring seat [2] and judder spring [3] in the direction as shown. Apply engine oil to the entire surface of clutch discs. Install the clutch disc B [4] and clutch plate B [5]. • Clutch disc B: larger I.D. • Clutch plate B: white paint on outer circumference Install the clutch discs A [6] and plates A [7] alternately, starting with the clutch disc. Install the clutch lifter plate [1]. Install the clutch springs [2] and bolts [3]. Tighten the clutch lifter pl ate bolts to the specified torque in a crisscross pattern in 2 or 3 steps. Install the right crankcase cover (page 12-8). [1] Stake [1] [7] [2]/[3] [6] [2] [3] OUTSIDE[4] (larger I.D.)[5] (white paint) TORQUE: 12 N·m (1.2 kgf·m, 9 lbf·ft) [1] [2]/[3]
12-14 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE GEARSHIFT LINKAGE REMOVAL Remove the following: – Drive sprocket cover (page 2-6) – Clutch assembly (page 12-9) Remove the pinch bolt [1] and gearshift pedal [2]. Clean off any dirt from the gearshift spindle serration. Pull out the gearshift spindle assembly [1] and washer [2] from the crankcase. Remove the gearshift spindle oil seal [1]. Be careful not to letthe removed parts fall into the crankcase.Remove the shift drum stopper plate bolt [1]. [1] [2] [1][2] [1] [1]
12-15 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Be careful not to letthe removed parts fall into the crankcase.Remove the following: – Shift drum stopper plate [1] – Dowel pins [2] – Shift drum stopper arm bolt [3] – Shift drum stopper arm [4] –Washer [5] – Return spring [6] INSPECTION Check the return spring [1] and spindle arm spring [2] for fatigue or damage replace them if necessary. Check the gearshift spindle [3] for wear or bend. Check the spindle arm [4] for wear, damage or deformation. Replace the gearshift spindle as an assembly if necessary. Inspect the gearshift spindle needle bearing and replace if necessary. GEARSHIFT SPINDLE NEEDLE BEARING REPLACEMENT Remove the gearshift spindle needle bearing [1] using the special tools. Drive in a new gearshift spindle needle bearing [1] into the left crankcase with the mark ed side facing up until it is fully seated using the special tools. After installation, apply engine oil to the bearing. [1] [2] [4][3] [5]/[6] [3] [2] [4] [1] TOOLS: [2] Remover weight 07741-0010201 [3] Bearing remover shaft, 15 mm 07936-KC10100 [4] Bearing remover head, 14 mm 07WMC-KFG0100 [3] [2] [4][1] TOOLS: [2] Driver 07749-0010000 [3] Pilot, 20 mm 07746-0040500 [1][3] [2]
12-16 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGEINSTALLATION Apply locking agent to the shift drum stopper arm bolt [1] threads. Install the return spring [2], washer [3] and stopper arm [4] while hooking the return spring at the stopper arm groove. Install and tighten the bolt to the specified torque. Check the stopper arm for proper operation. Move the stopper arm [1] out of the way using a screwdriver. Install the dowel pins [2] into the shift drum holes. Install the shift drum stopper plate [3] while aligning its pin holes [4] with the dowel pins. Apply locking agent to the shift drum stopper plate bolt [1] threads. Install and tighten the shift drum stopper plate bolt to the specified torque. Apply grease to a new gearshift spindle oil seal lip [1]. Install the gearshift spindle oil seal to the specified depth as shown. TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)[2] [1] [3][4] Hook [3][2][1] [4] TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft) [1] [1] 0.5 – 1.0 mm (0.02 – 0.04 in)
12-17 dummyhead dummyhead CLUTCH/GEARSHIFT LINKAGE Apply engine oil to the gearshift spindle shaft [1] outer surface. Install the gearshift spindle assembly and washer [2] to the crankcase by aligning the return spring ends with the spring pin. Install the gearshift pedal [1] onto the gearshift spindle while aligning the punch marks. Install and tighten the pinch bolt [2] securely. Install the following: – Clutch assembly (page 12-11) – Drive sprocket cover (page 2-6) PRIMARY DRIVE GEAR REMOVAL Remove the clutch assembly (page 12-9). Temporarily install the washer [1], clutch outer guide [2], needle bearing [3] and clutch outer [4]. Insert the gear holder [5] between the primary drive and driven gears. Loosen the primary drive gear lock nut [6]. Remove the clutch outer, needle bearing, clutch outer guide and washer. Remove the lock nut and washer [7]. Remove the primary drive gear [1]. [2] Align[1] [2] [1] Align TOOL: Gear holder, M1.507724-0010200 [5] [1]/[2]/[3]/[4] [6]/[7] [1]