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26th January 2011
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Greasemonkey
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Join Date: Dec 2010
Posts: 108 Sportster/Buell Model: XL 1000 Sportster/Buell Year: 1980
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Motor Factory Tappets
Anybody running Motor Factory brand tappets in their Ironhead? They say they are made in the USA. I read were Sifton Tappets are made in Tawian and I don't want any of that crap. I know Jims is top of the line and I am considering them but Motor factory cost a good bit less and with Jims I don't know if you can use stock tappet blocks.
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"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery."
-Sir Winston Churchill
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26th January 2011
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Senior Bike Builder
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Join Date: May 2006
Posts: 1,922 Sportster/Buell Model: 93 Cubic Inch XLH Sportster/Buell Year: 1975 Sportster/Buell Model #2: XLCH Sportster/Buell Year #2: 1968 Other Motorcycle Model: Softail Deluxe Other Motorcycle Year: 2007
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Why don't you pick up a set of OEM used tappets off of ebay. The original tappets are very good quality most of the people on this forum have had them in their IH for many years with no problems. Just because they're used doesn't mean that they're not good. But if you feel compelled to buy new the Jims will fit in OEM tappet guides. I don't know much about Motor Factory tappets but they are VTwins house brand and maybe they are just assembled in the USA from foreign made parts.
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93 Cubic Inches..3.635 Bore x 4.50 Stroke...Baisley Roller Rockers...Dual Plug Heads Ported With XLR Valves...Chrome Moly Pushrods...Andrews AX Grind Cams .550 Lift...Venolia Pistons...Total Seal Gapless Rings...Balanced S&S Rods & Flywheels...Blitz Steel Barrels...Billet Oil Pump...K&N O2 Sensors...S&S Super E Carb...Crane Fireball Multi Spark Ignition...All Andrews Trans Gears & Shafts...Strociek Billet Trap Door...Barnett Kevlar Wet/Dry Clutch...Motorsport Rear Motor Mount...High Torque Starter...100 Plus HP
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26th January 2011
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Senior Chief Master Mechanic 2nd Class
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Join Date: Jan 2010
Location: SE LA
Posts: 1,559 Sportster/Buell Model: XLH Sportster/Buell Year: '78 Sportster/Buell Model #2: 883 XLH w/1200kit Sportster/Buell Year #2: 1993 Other Motorcycle Model: 93" Pan/Shovel Other Motorcycle Year: 1968
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Quote:
Originally Posted by fdny37
I don't know much about Motor Factory tappets but they are VTwins house brand
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Motor Factory is Custom Chrome's house brand.
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ACE Hardware gr. 8 bolts Krylon & Rustoleum "premium" paint JT-6 waterproof grease, Emgo oil filter Loctite blue red & green AutoZone headlight bulb socket genuine Aftermarket rear fender generic countershaft sprocket Radio Shack 16ga & 14ga wire forks off of a 180mph drag bike Swallow 4.60H18 rear tire 3.50 x 19 Shanghai front
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26th January 2011
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Senior Chief Master Mechanic 2nd Class
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Join Date: Jan 2010
Location: SE LA
Posts: 1,559 Sportster/Buell Model: XLH Sportster/Buell Year: '78 Sportster/Buell Model #2: 883 XLH w/1200kit Sportster/Buell Year #2: 1993 Other Motorcycle Model: 93" Pan/Shovel Other Motorcycle Year: 1968
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Jim's, you're paying an awful lot for just the "name". Their high dollar big-axle tappets are "inferior" IMO. The roller/axle assembly is not rebuildable/replaceable (like every other brand is), even by Jim's. Their service life is about 1/5th that of OEM or other aftermarket brands in my experience, and their "warranty"/"customer service" is laughable.
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26th January 2011
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Know It All
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Join Date: Dec 2010
Posts: 181 Sportster/Buell Model: XL1200NN Sportster/Buell Year: 2008
Reputation: 35
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New guy question, what exactly IS a tappet and why would a person want to run a set of "performance" units? I see them in the '11 Harley catalog, and they're not all that much money, as these things go, but what's the difference between a good tappet and a bad tappet?
I realize this may be a whole 'nother thread, but since this one is already on the subject, and there are probably others like me, who wonder just what the hell a tappet IS, I figured it'd fit....can a person run EVO tappets in an IH?
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26th January 2011
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Master Bike Builder
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Join Date: Aug 2008
Posts: 2,041 Sportster/Buell Model: 71 xlch Sportster/Buell Year: 73 Sportster/Buell Model #2: 74 xlh Sportster/Buell Year #2: 74 Other Motorcycle Model: BT rigid hand shift
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These are soild lifters and already use rollers. Not much ponies to bleed out of the tappets for a stock or slightly modified motor. you can buy the pin/rollers and rebuild yours but as someone said, these components are pretty rock solid.
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26th January 2011
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Land Speed Record
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Join Date: Mar 2009
Posts: 756
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Don't waste your money on Motor factory parts. JIMS is the best you can buy for any harley engine. Better than AMF. Stick with the best f__k the rest.
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26th January 2011
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Master Custom Bike Builder
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Join Date: Mar 2008
Posts: 3,329 Sportster/Buell Model: XLCH Sportster/Buell Year: 1969 Sportster/Buell Model #2: 1966 XLCH Other Motorcycle Model: BMW Twin Other Motorcycle Year: 82
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What Kills Tappets is a Very Squarish Cam Ramp Profile, but for High perf you install what you need to win, for a street bike OEM is fine, if looking at used make sure the side of the tappet is not badly Galled
'deep grooved lines' along the tappet
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27th January 2011
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Custom Bike Builder
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Join Date: Jun 2006
Posts: 2,464 Sportster/Buell Model: XLCH Sportster/Buell Year: 1972 Other Motorcycle Model: Heritage Softail Other Motorcycle Year: 1999
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Fine grooving in tappets is not a problem. Some hand polishing with crocus cloth will smooth things out.
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27th January 2011
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Greasemonkey
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Join Date: Dec 2010
Posts: 108 Sportster/Buell Model: XL 1000 Sportster/Buell Year: 1980
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I looking for some for new Andrews R5 cams. So what do you recommend?
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