Parts and equipment for motorcycles, quads, scooters and bicycles
TRANSMISSION BEARINGS REPLACEMENT ON AM6 Minarelli Motor
Ce tutorial aims at you help change the gearbox bearings of a type engine AM6 minarelli on your box 50cc thanks to pics and explanations associated. This tutorial is quite complicated, you have to be patient and rigorous! It is in two parts: Disassembly then assembly.
Like changing the crankshaft, replacing its gearbox bearings is the most complicated operation on an 50cc with gearbox. We advise you to do both at the same time. Discover all of the box bearings suitable for your gearbox 50cc with motor AM6 Minarelli.
Difficulty :
Temps necessary:
1 hour 30
1 part: Disassembly of the gearbox bearings on the engine AM6 minarelli
HOW TO REMOVE YOUR BEARINGSTS BOITE AM6 MINARELLI
1) Start par take your motor out of the frame and drain it. For this, consult this tutorial.
2) Remove the two motor brackets (depending on the models).
3) Remove the ignition cover.
4) Remove the candle.
5) Place the piston lock instead.
6) Remove the ignition rotor with the flywheel and a wrench or ratchet.
7) Remove the ignition stator (3 screw).
8) To do this, you must unscrew the 3 screws from the plate located below.
9) Remove the clutch cover (8 screws). Use a mallet to get it out.
11) Remove the sprockets and kick spring.
11) Remove the clutch gasket.
11) Remove the pressure plate (4 screws and 4 springs).
11) Remove all clutch disks.
11) Also remove the clutch push rod.
11) Unfold the bell nut retainer washer.
11) Using the clutch key, remove the bell nut and then the clutch boss.
11) Remove the clutch bell. Watch out for the pucks below.
11) Lock the balancer shaft gear with a screw.
11) Loosen the crankshaft and balance shaft gears. Remove them. Watch out for keys and washers.
11) Drop the ball and the clutch rod.
11) Remove the intake pipe and valves (4 screws). Use a flat screwdriver and a hammer to loosen the valves.
11) Remove the piston lock.
11) Remove the bolt (4 screws).
11) Then remove the cylinder.
11) Remove the piston pin clip.
11) Remove the piston pin and piston by tapping with a screwdriver.
11) Remember to remove the crankshaft needle cage and the base gasket.
11) Remove the clutch link. Watch out for the puck.
11) Remove the 13 screws from the crankcase (5 inside, the rest all around).
11) Remove the kick shaft circlip.
11) Place the nut on the crankshaft.
11) Then tap on it to bring the housing (it will surely be necessary to tap in several places).
11) Remove the selector shaft. Watch out for the puck.
11) Remove the gearbox.
11) Remove the balance and the crankshaft.
11) Also remove the ball and the mainspring.
11) Finally, remove the oil seals and the visible bearings on the crankcase. Please note, the number of bearings varies depending on the model.
11) Do the same for the other part of the housing.
2 part: Reassembly of new gearbox bearings on engine AM6 minarelli
HOW TO WIND UP BEARINGSTS BOITE AM6 MINARELLI
1) Fit the new crankshaft bearings. Drive them in well with a hammer.
2) Tip: Put a wrench in the crankshaft when you tap it to prevent the masses from approaching.
3) Drive in the new bearings with an axle and a hammer.
4) Perform the same operation on the other part of the housing.
5) Put grease on the barrel.
6) Replace the spring and the barrel ball.
7) Replace the transmission shafts.
8) Correctly reposition the gearbox forks.
9) Replace the gearbox barrel.
10) Replace the fork pins. Tip: For the bottom fork, lift it with pliers and press it with your finger.
11) Replace the pendulum.
12) Position the selector axis. Don't forget the washers at each end.
13) Heat the casing with a torch or a steam gun.
14) When the crankcase is hot, place the new crankshaft.
15) Apply joint compound all along the housing.
16) Heat the other casing with a torch or a steam gun.
17) Install the housing. Tip: tap on it with a mallet.
18) Replace the 13 crankcase screws (5 inside, the rest all around). Tighten well.
19) Position the crankshaft nut.
20) Tap the nut to center the crankshaft.
21) Remove the nut and check the proper rotation of the crankshaft.
22) Install the crankshaft oil seal. Drive it in using a pin and a hammer.
23) P.ar above, install the crank ring gasket (press it with a flat screwdriver).
24) Then place the crankshaft ring.
25) Put the key back in the crankshaft.
26) Replace the 2 crankshaft sprockets.
27) Replace the balancing shaft pinion (install the front key correctly).
28) Pay attention to the timing of the pinions. Locate yourself using the points on the teeth.
29) Replace the nuts on the pinions.
30) Lock the balancing shaft pinion with a screw.
31) Tighten the pinions securely, then remove the screw.
32) Replace the clutch housing washers. First the tooth, then the flat.
33) Place the clutch bell.
34) Place the washer, then the clutch nut.
35) P.ar on top, position the nut retainer washer, then the nut.
36) Tighten the nut using the clutch key.
37) Using pliers, bend the nut retaining washer.
38) Place the clutch rod and ball in the hole. Then the push rod (in that order).
39) Install the clutch discs by putting gear oil on each. Start par a garnished, then a dish ... etc.
40) Install the pressure plate. Pay attention to the assembly mark (arrow on the plate at the point of the clutch housing).
41) Place the springs, then screw the pressure plate (4 screws and 4 springs).
42) Replace the 2 centering pins. Tapohammer to hammer them.
43) Tip: Apply grease to keep the housing gasket in place.
44) Place the crankcase gasket.
45) Replace the clutch cover. Attention to the assembly of the kick sprockets, the notch must be opposite.
11) Tapouse the mallet to press it in, then put the 8 back on the housing.
47) Refit the clutch rod spi seal. Drive it in with a pin and a hammer.
48) Replace the crankshaft oil seal in the same way.
49) Replace the crankshaft key.
50) Install the ignition stator (3 screw on the plate, then 2 on the stator).
51) Replace the ignition rotor, screw it tightly to the pawl.
52) Replace the gearbox output gear clip.
53) Install the clutch rod. Pay attention to the spring.
54) Loosen the kickstop. Watch out for the washer.
55) Tension the kick spring and replace the kick stopper. Tighten well.
56) Put back the valves, the gasket then the intake pipe (4 screws).
57) Grease and install the new needle cage in the crankshaft.
58) Replace the piston with its axis.
59) Then the piston clip.
60) Now place the base gasket.
61) Push in the cylinder.
62) Position the cylinder head correctly.
63) Use the torque wrench to torque the cylinder head (18NM).
64) Replace the engine support (depending on models). Here 2 axes.
65) Replace the ignition cover (5 screw). Tighten well.
66) Install the spark plug.
67) You can now reset your engine with the help of this tutorial.
VIDEO: PART 1 - DISASSEMBLING BEARINGSTS BOITE 50CC ENGINE AM6
VIDEO: PART 2TH - RAISING BEARINGSTS BOITE 50CC ENGINE AM6
HERE 100% OF THE PARTS INDICATED IN STOCK REALLY ARE!
Cart
This product has been added to your cart
Cart
You have already added this product to the cart or there is not enough in stock.