Yamaha Waverunner Cooling System Diagram Headcontrolsystem Re: blaster riva red pipe water hose routing got my riva red pipe on today. i had to pull the motor, to fix a broken exhaust manifold bolt. got that out and "heli coiled" (or the stainless equiv cant remember the name) i also found that 4 of the 6 existing holes for the exhaust manifold were done the same (previous owners). But the riva instructions are different from what many people discuss here. setup for single cooling. from riva instruction printout 1995: 1) pump > mani. 2) rear head > top of chamber. 3) front head (1 8" line) > capped. 4) bottom of chamber > stinger. there is no mention of restrictions or bypass to pissers.
Yamaha Waverunner Cooling System Diagram Wiring Site Resource Page 114 powr engine unit 5. measure: • compression pressure out of specification → refer to steps (b) and (c). minimum compression pressure (reference data): 1,150 kpa (11.5 kgf cm , 164 psi) measurement steps: a. with the throttle wide open, crank the engine until the reading on the compres sion gauge stabilizes. To check the cooling system hoses, trace these one at a time looking for cracks and fraying. if you spot any damage, they’ll need to be replaced. connect a garden hose to the cooling line. turn the hose on and then your waverunner. while it idles, inspect the back of the pwc to see if water is being ejected. 222. removal and installation chart. 222. cylinder head exploded diagram (xl700) 223. advertisement. yamaha waverunner xl760 pdf user manuals. view online or download yamaha waverunner xl760 service manual. Water flows with the exhaust gas downstream in the exhaust and into the waterbox that way. you can't prevent it and even when trying to clear it, you will still have an inch or so of water in there. it doesn't amount to much but it is hard to remove much more than an inch unless you just rev it 10 times over a day.
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