seadoo 787 rotary valve timing

I just bought the ski. All SeaDoo 2-Stroke 580/587, 650/657, 717/720 & 787/800 Engines. For Use on All SeaDoo 2-Stroke 580/587, 650/657, 717/720 & 787/800 Engines. 8 degrees is too much IMO. Sea Doo PWC Performance; 2-Stroke Performance; rotary valve timing; Results 1 to 5 of 5 ... Jan 2011 Location Australia Posts 88. rotary valve timing Hi is there any way of timing the rotary valve on a 787 without the degree wheel ? I could pull the shaft and jump a tooth but wish I could find out how many degrees doing this might yield...someone has had to have done it and know this answer. Without seeing it up close, I would probably go with the lower timing, since it will have a little better torque. SeaDoo 580 587 650 657 717 720 787 800 Rotary Valve Timing … My timing marks are correct and dial indacator says TDC. I found out if you get one timed close, but not good enough it will run out of the water and not run in the water. with these specs, shows you are good, Rotary valve timing Opening 146.5° ± 5 BTDC Closing 64° ± 5 ATDC -- when i just put mine in with a degree wheel, i wanna say mine i set ay 147 deg. KYHI. Figured it was a carb problem. Is 61 degrees close enough? When installing a Sea-Doo 587, 657, 657X, 717, 787 or 787 RFI engine, your rotary valve must be timed. It may not display this or other websites correctly. Wish someone made a better degree wheel. Were you able to land exactly at your opening and closing mark? That is easy, the spec calls for +/- 5 degrees, if it is outside that spec then send it back. Save seadoo 787 rotary valve cover to get e-mail alerts and updates on your eBay Feed. Buy It Now. I have always seen which way is the best "fit" to have it timed correctly. Dan's customer service is first rate. Very easy to use and cheap. Stock 720 and 159 degree wheel. Man those things have to large an oversized center hole that it wiggles around enough to mess it up by 1-2°. It's for use on all SeaDoo 2-Stroke 580/587, 650/657, 717/720 & 787/800 engines. 1990 Sea-Doo GT Degree Wheel. Cheap SeaDoo Sea Doo 580 587 650 657 717 720 787 800 Rotary Valve Timing Degree Wheel,You can get more details about SeaDoo Sea Doo 580 587 650 657 717 720 787 800 Rotary Valve Timing Degree Wheel:Shopping Guide on Alibaba.com Plastic Degree wheel for timing rotary valves on Sea-Doo Engines. Sea Doo Rotary Valve Timing Degree Wheel for 580 587 650 657 717 720 787 800 motors. Easily and accurately measure valve timing. Rotary Valve Timing JSP Rotary Valve 159 Degree Compatible with Sea Doo 657 717 720 787 800 420924502 290924502. Premium JetSki Plus brand SeaDoo rotary valve timing degree wheel, it's an inexpensive must have tool if you work on your SeaDoo. It ran when I got it but not the best because of bad fuel lines. The WSM is a poorly made part and falsly advertised as "OEM" in my opinion. using the lower part of front intake passage at rv housing with degree wheel, making sure mag cyl is tdc, recheck your tdc, but, mine is an rfi eng, 99 ... Sea-Doo Rotary Valve Timing Wheel 1988-2005 580 587 650 657 717 720 787 800. JavaScript is disabled. One was always much closer to exactthen the other way. Products in this category: 8. Price: $100.00 Code: RV_Cover Qty in Cart: none. $19.65 $ 19 ... New Starter for Rotax Marine Engine 787, Sea-doo Marine Sportboat Challenger Speedster, Sea-Doo Powersport Personal Watercraft GSX GTX SPX XP You are using an out of date browser. Brand New. 1.0 out of 5 stars 1. 159 Degree Rotary Valve and Timing Degree Wheel Set for SeaDoo 580 587 650 657 717 720 787 800: Amazon.sg: Automotive Item Description. NEW WSM SEADOO TIMING DEGREE WHEEL Replaces Sea-Doo tool 529-035-607 / 295-000-007 Use for rotary valve timing on Sea-Doo 2 strokes For use with all 580/587, 650/657, 717/720, 787/800 Engines Customer Questions & Answers See questions and … Honestly I had WaterCraft Magic bore/hone the cylinders via Mel Miller and I inquired to him what he thinks and he's suggesting pulling the shaft to get it closer. Easily and accurately measure valve timing For Use on All SeaDoo 2-Stroke 580/587, 650/657, 717/720 & 787/800 Engines Exact item is pictured Quantity: 1 set Set Includes:1 - 159 Degree Rotary Valve1 - Timing Degree Wheel Replaces the following Part Numbers:Rotary Valve OEM Part #: 420924502 SeaDoo Sea Doo 580 587 650 657 717 720 787 800 Rotary Valve Timing Degree Wheel in Engine. This is using a dial indicator and degree wheel so this is as accurate as it gets. I swapped it around and my motor fired right up. Rotary Valve Timing Degree Wheel for SeaDoo 580 587 650 657 717 720 787 800: Amazon.co.uk: Car & Motorbike Select Your Cookie Preferences We use cookies and similar tools to enhance your shopping experience, to provide our services, understand how customers use our services so we can make improvements, and display ads, including interest-based ads. Fast and free shipping free returns cash on … Using the inside track of numbers, make a mark on the case corresponding to the timing spec for your engine. Done everything, but someone suggested rotary valve timing. Thanks for the input but I think my issue is the valve not me although I was wrong one time but that was a long time ago LOL. When installing a Sea-Doo 587, 657, 657X, 717, 787 or 787 RFI engine, your rotary valve must be timed. For Use on All SeaDoo 2-Stroke 580/587, 650/657, 717/720 & 787/800 Engines Exact item is pictured Quantity: 1 Set Set Includes: 1 - 159 Degree Rotary Valve 1 - Timing Degree Wheel With my damaged OEM valve everything lines up correctly on one side and if I flip it over it is way off. 159 Degree Rotary Valve and Timing Degree Wheel Set for SeaDoo 580 587 650 657 717 720 787 800: Amazon.in: कार और मोटरबाइक I have only used OEM or ones purchased from SBT and they are asymetrical as mentioned. To me I'm within 3 degrees, 61 vs. 64 on the closing so I'd think I'd be good but in an earlier email exchange Chris from WCM commented he likes to see no more than 1 degree variation. Replaces the following Sea-Doo / Ski-Doo part numbers: The information in this manual contains the theory and operating principals of the SEA-DOO watercraft systems. While setting the RV on a 97 GSX I established my opening and closing marks from TDC, with dial indicator, and best closing timing I can get is 61 degrees, or flip the valve and get 68. Thanks everybody that is what I thought and just wanted others to confirm it. Rotary Valve Timing Degree Wheel for SeaDoo 580 587 650 657 717 720 787 800: Amazon.com.au: Automotive Refer to the technical pages in the back of the Sea Doo manual for opening and closing timing for any of the three valves used in different Sea Doo engines, just make sure you are looking at a manual that has the 787 engine technical page. You are correct El Toro, my factory valve is aligned perfectly but has a chunk missing from it. But, I saw this video linked in another post and it made me realize that I had put my rotary valve on complete bass ackwards. Someone else will probably chime in with an answer for you, unless you go with your third option..... Not at all and get a different one. 1 product rating - New Sea Doo Rotary Valve shaft puller tool 580 650 717 720 787 engine rebuilding. Just cut out middle place it on your rotary valve wheel and mark your correct degrees with a sharpie. <<, with these specs, shows you are good, Rotary valve timing Opening 146.5° ± 5 BTDC. Have to watch and make sure the hole is nicely centered about the splined end of shaft...drove me nuts but then again I'm one picky pain in the neck. SeaDoo Sea Doo 580 587 650 657 717 720 787 800 Rotary Valve Timing Degree Wheel . I am not familiar with the WSM plate. I gave up on the plastic wheels. >>Is there any movement in the RV shaft? + Update your shipping location ... SeaDoo 580 587 650 657 717 720 787 800 Rotary Valve Timing Degree Wheel Tool. I have installed the rotary valve plate a few times in our 720 engines. New SeaDoo rotary valve timing degree wheel, it's an inexpensive must have tool if you work on your SeaDoo. Top Rated Seller Top Rated Seller. I can't answer all those questions, I'll let the ones with more knowledge go for that. I believe the plate is made to be offset..... That way you can get it close to perfect. Find the timing spec for your particular year and model. Pre-Owned. I bought a 93 XP that the owner rebuilt the motor, but had the valve about 20 degrees out of time! When installing a Sea-Doo 587, 657, 657X, 717, 787 or 787 RFI engine, your rotary valve must be timed. I have been working with Dan at FullBore Online as he supplied the WSM valve and he said the same thing and offered to refund me for the valve so I will be ordering the factory valve today. http://www.youtube.com/watch?v=ULL5gfQs_UA. When I install my new WSM one it is off about half a tooth and it does not change if you flip it over so I need to know if this is a problem being off this much?

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