December 6, 200817 yr I am replacing main bearings on my friends Pro, but can't get crankshaft out of primary gear side of engine. Have taken circlip off and tried to knock it out, but no joy. can anyone help? cheers
December 6, 200817 yr I had trouble with mine when I did my mains. I over came it with two small tyre levers and used them to leaver the gear up gently after removing the cir clip. Just be very careful not to mark the crank case where the gasket goes .
December 7, 200817 yr Don't be tempted to beat the crank out of the cases, sometimes even if you can get the primary gear off the crank still won't come out. Remember the waterpump drive fits into that end of the crank so any damage you cause whacking it out may result in the pump drive not fitting back. I've found that the best way to get a stuck crank out is with a hydraulic press, be carefull where the crankcase mating surfaces lay on the bed of the press, just a little pressure and the crank comes out. You will probably need a press anyways to install the new bearings, an 05 should have the one piece bearing/seal, don't pound those in. Mark.
December 11, 200817 yr GasGas makes a spiffy tool to remove the primary gear from the end of the crank, this saves the cases. Spencer
December 11, 200817 yr GasGas makes a spiffy tool to remove the primary gear from the end of the crank, this saves the cases.Spencer I'd be intrested in one of those or even a photo so i could make up my own. Anyone got one..???
December 11, 200817 yr I'd be intrested in one of those or even a photo so i could make up my own.Anyone got one..??? I haven't used one of these, but I think this is the tool from GG. The "fingers" go over the gear and catch on the backside and the collar/ring is slid on to lock them in place, then the bolts pushes in on the crank to back the gear off. Jon
December 12, 200817 yr I haven't used one of these, but I think this is the tool from GG. The "fingers" go over the gear and catch on the backside and the collar/ring is slid on to lock them in place, then the bolts pushes in on the crank to back the gear off.Jon Thanks Jon, have you got a part number for the tool. If there not to dear would quite like one for tool box.
December 12, 200817 yr Thanks Jon, have you got a part number for the tool.If there not to dear would quite like one for tool box. No problem, it's listed as: "Extractor Pi
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