URBANTIGER Posted July 10, 2007 Posted July 10, 2007 hi mate just off the phone who hasnt got a computer to post this.. he has like me an rd250e..it was running fine when he took the engine out to strip and rebuild it.. it was off the road past 3 monthes and when he rebuilt it he couldnt get the oil pump pipes primed,,the main oil feed pipe bleeds ok but no oil flows to the carbs no matter what he has tried.. he got the bike running ok using premix at 33/1 (is this a correct ratio?) and tried priming the pump by opening the oil pump fully while bike was idling..nothing.. when he revs the bike he notices the end of the oil pump shaft irregulary moves in an out..is this normal?..he has taken the pump off 3 times and refitted it and the gear inside the pupm he says turns ok..he kept the pump spaked in petrol to clean it for the 3 monthes it was off the road.. any help would be very much appreciated..
Chris Heath Posted July 11, 2007 Posted July 11, 2007 hi mate just off the phone who hasnt got a computer to post this.. he has like me an rd250e..it was running fine when he took the engine out to strip and rebuild it.. it was off the road past 3 monthes and when he rebuilt it he couldnt get the oil pump pipes primed,,the main oil feed pipe bleeds ok but no oil flows to the carbs no matter what he has tried.. he got the bike running ok using premix at 33/1 (is this a correct ratio?) and tried priming the pump by opening the oil pump fully while bike was idling..nothing.. when he revs the bike he notices the end of the oil pump shaft irregulary moves in an out..is this normal?..he has taken the pump off 3 times and refitted it and the gear inside the pupm he says turns ok..he kept the pump spaked in petrol to clean it for the 3 monthes it was off the road.. any help would be very much appreciated.. Hi there, is it the 2 cog type? If so, I think it's a question of putting a feeler blade between the cogs to check the gap. If it's outside tolerance the cogs can't 'squash' the oil hard enough to pressurise the pipe. Hope this helps! Kind regards, Chris Heath
URBANTIGER Posted July 11, 2007 Author Posted July 11, 2007 Hi there, is it the 2 cog type? If so, I think it's a question of putting a feeler blade between the cogs to check the gap. If it's outside tolerance the cogs can't 'squash' the oil hard enough to pressurise the pipe. Hope this helps! Kind regards, Chris Heath he says that the drive that comes out of side of engine once pump is removed can be pushed in an out...he also says that the pump seems to fit onto the engine and drve shaft ok but has now way of telling if the pump is turning once fitted..think it is the same pump as my own bike..has one visible wheel/cog inside pump once its removed from engine
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