You can replace the cam chain shoe on your M8 engine easily.
NOTE: We will be riding one of these and will have a full report soon. Just ask any Harley dealer how many engine repairs they do on Sportsters and they will respond with a … “The Screamin’ Eagle 131 Crate Engine delivers exactly that.”Of course, there are aftermarket alternatives to the OEM’s upgrade, but none come with the 12-month or 24-month factory limited warranty that Harley offers.
Generally, I would not worry much about corrosion issues as engine/transmission oil have acid controlling alkaline chemicals to counteract the acidity. Just keep the oil clean – especially when laid up for the winter in storage – and all should be well.Fixed Defects: At this time, the engine appears to have fixes that will make the Milwaukee-Eight engine more reliable, more powerful and more fun. However, if a valve adjustment were ever needed it would be very easy to do not having to deal with engine disassembly like other engines with solid lifters or ride directly on the cam shaft lobe relying on (under or over) valve shim cups which is a royal pain to adjust the valves. Replacing the shoe is so easy, just remove the cam chest cover, unscrew the shoe retaining bolt, install the new shoe, reinstall the retention bolt, torque it to specification, replace the gasket and cam chest cover. Very easy to do! But there are other problems that may be hidden from our eyes at this juncture in time. Let’s see what develops and hope nothing fails in the real world. Engine has an advanced knock-sensor system that reacts faster and an automatic compression release for easy and much faster effortless engine starting even when the engine is cold.Breather System: Much improved as the crankcase air flow is now directed into the transmission case instead of directly into the air cleaner.
Just ask any Harley dealer how many engine repairs they do on Sportsters and they will respond with a depressing answer. You still need to inspect the shoe condition, but even a non-mechanic can do this and even replace a worn-out shoe. A loud tapping sound will be made with a loss of power. No. © Newspaper WordPress Theme by TagDiv Write CSS OR LESS and hit save. The piston rods are larger and stronger.Camshaft: Yes, there is a cam chain and a cam chain shoe that can wear out and cause a catastrophic engine failure.
There is only one camshaft in the M-8 engine further simplifying the cam chest mechanics.Lifters: The valves are operated by solid lifters, but like the Twin-Cam engine, with a twisted operating valve train. This is great news!
This should stop the oil priming problem (oil spilling out of air cleaner) on all prior V-twins have historically had. CTRL + SPACE for auto-complete.WHAT IS WRONG WITH THE MILWAUKEE EIGHT (M8) ENGINE?
The old Twin Cam engine required a slew of special tools and some major assembly riders could not do on their own. Jackpot M8 XXX and 2/1/2 Head Pipes .
We’ll see.
You can easily check the existing exterior cam chain shoe for wear simply by removing the cam cover. Harley-Davidson just released it’s first all-new Big Twin engine in 17 years, the 8-valve Milwaukee Eight, last month. Reliability will increase here, no doubt about this along with a redesigned and stronger redesigned compensator sprocket that should not fail like those in the past. However, like the Indian Power Stroke engine the inner cam chain and tensioner shoe is eliminated.
The Screamin’ Eagle 131 engine combines the 4.5-inch stroke of the Milwaukee-Eight 114 engine with new 4.31-inch bore cylinders with a patented design. Doesn’t burn oil and sounds quiet like it was when new.
Harley-Davidson “The Screamin’ Eagle 131 Crate Engine delivers exactly that. Replacement engines must be re-fitted with emission control devices and systems appropriate for the vehicle model and model year in order to ensure emissions compliance. If welded, then the crank-slip defect will be resolved. It would be worth your attention to periodically check the valve clearance so as not to burn a valve, say every 25,000 miles would be fine. Crankshaft: We don’t know if the crank webs are welded or still pressed-fit. It’s a combination that produces 131 ft-lb of torque and 121 horsepower at the rear wheel when paired with Screamin' EagleEach Screamin’ Eagle 131 engine is detailed with 131 Stage IV badging on the cylinder heads and timer cover.
Cruisers, cruiser, performance cruiser It’s an exciting time for v-twin cruiser riders. If this happens at highway speed it could kill you as it locks up the rear wheel and you fail to pull in the clutch in time. The prices provided are the manufacturer’s suggested retail prices. There is no need to pull the cams or oil pump to replace the shoe. The hydraulic lifter will not compensate for this unbalanced situation.
You may be able to install the old manual chain adjustment system (but I am not certain if this can be done on the new M-8 engine).Cylinder Heads: Increased cooling fin depth keeps engine heat under control.
The Motor Company’s latest entry in the displacement wars takes the form of a 131 cubic-inch (2,147cc) crate motor and is the largest engine Harley has ever offered.New Indian Challenger With 108 Engine Leaked From Dealers’ MeetingHarley Clings To Pushrod Technology With New PatentThe Screamin’ Eagle Milwaukee Eight 131 Crate Engine is a bolt-in replacement for 2017 and later Harley-Davidson While the new motor retains the 4.5-inch stroke found in the 114ci configuration, the 4.31-inch bore cylinders, 64mm throttle body, and high-lift camshaft improve the overall power output. The engine is available in a choice of two finish treatments to match original motorcycle styling or a custom direction – Black and Chrome or Black and Gloss Black.
The crankshaft has been totally redesigned increasing flywheel inertia 20% without adding weight.Pistons: They are light weight design, flat top, with low-tension bore-conforming rings and compression ratio is higher.
Nobody knows at this time. If you do not inspect the tensioner it can wear down to metal-on-metal contact with the cam chain and it will clog up the oil pump and seize the engine. Exhaust ports are shorter also lowers head temperature. So much so, that many Harley-Davidson dealers do not even keep an inventory of Sportster engine parts.