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  1. Technical Discussion - Scream And Fly

    Nov 29, 2025 · Forum: Technical Discussion The place for mechanics, racers, governing body officials, tech-talk junkies, or anyone seeking engine-related technical help. Sponsored by: Chris Carson's …

  2. OMC Tech QL77JC4 same as L77JC4? - screamandfly.com

    May 13, 2009 · Thread: QL77JC4 same as L77JC4? Thread Tools 05-11-2009, 12:36 AM #1 decoy033 5000 RPM

  3. Mercury Tech Ebay Switchboxes - screamandfly.com

    Jan 12, 2021 · Forum Main Technical Discussion Mercury Tech: Ebay Switchboxes If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you …

  4. Mercury Tech lower Crankshaft seals - Scream And Fly

    Mar 14, 2009 · The Pro Marine metal is more ridge and will hold the seals shape and seal better verses the Mercury thin ones that I've found to flex and cause the seal to become mis aligned and …

  5. Mercury Tech Poppet valve question - screamandfly.com

    Feb 22, 2012 · Here's the scoop. 85' 150 XR-2 New power head with a bad water pump. Engine was overheating and the valve would pop off when it got too hot (spray water through the weep hole). …

  6. Propellers - screamandfly.com

    Dec 29, 2025 · Power Tech 26P VMS Started by croSSed, 12-09-2025 10:20 PM Replies: 1 Views: 2,141 croSSed

  7. K&D Marine Dynamometer Model 2000 - Scream And Fly

    Nov 9, 2020 · Thread: K&D Marine Dynamometer Model 2000 Thread Tools 11-08-2020, 07:42 PM #1 36Tango Member

  8. Mercury Tech Difficulty in removing drive shaft in 2.5L lower unit

    Aug 11, 2020 · You can get the special tools on Ebay for "fairly" reasonable, compared to factory new tools. Check youtube for lower unit videos. Don't put any side strain on the drive shaft after you …

  9. Mercury Tech Merc 150 performance mods/upgrades - Scream And Fly

    Apr 13, 2019 · Thread: Merc 150 performance mods/upgrades Thread Tools 06-10-2020, 09:12 AM #1 schillaz Junior Member

  10. Mercury 200 EFI issues - Scream And Fly

    Feb 11, 2016 · I imagine finding good marine techs out there in the mountains can be challenging. Search the threads on this website (in the tech section) and you will find most topics covered in …