Knuck/Flat Head

I'll Start... Post a pic of your Knuck!

Started by Robin

Replies: 10
Views: 12,644

February 06, 2023, 02:46:45 PM
by harpwrench

Show Your Flathead

Started by ShovelheadDave

Replies: 9
Views: 5,791

January 30, 2023, 07:21:24 AM
by Snuff™

'45 knuck

Started by Jimmer

Replies: 7
Views: 3,788

July 23, 2010, 08:26:36 AM
by Jimmer

1935 74" chain oiler pipe nipple

Started by xlfan

Replies: 0
Views: 2,378

September 20, 2016, 02:53:11 PM
by xlfan

1937 UL

Started by codyshop

Replies: 14
Views: 7,422

June 09, 2009, 07:19:51 AM
by Ultrashovel

1937 UL engine

Started by gooru4speed

Replies: 2
Views: 2,817

August 29, 2015, 09:49:53 AM
by panic

1942 WLA bobber

Started by Super Dave

Replies: 14
Views: 4,902

April 09, 2016, 09:06:21 AM
by rbabos

1946 Knuckle

Started by HogMike

Replies: 3
Views: 3,145

April 14, 2016, 03:17:48 PM
by HogMike

1966 Servi-Car

Started by dubepj

Replies: 5
Views: 3,784

August 29, 2015, 09:56:14 AM
by panic

1979 FLH Tranny

Started by allenshort

Replies: 1
Views: 2,477

August 26, 2009, 12:43:41 PM
by 4DWUDS

3 7/16 pistons for 4 1/4 stroke

Started by Lyle

Replies: 2
Views: 2,570

August 10, 2012, 08:45:01 AM
by Lyle

4 speed gears in a 3 speed case

Started by tenorhog

Replies: 3
Views: 3,550

August 27, 2013, 07:58:31 AM
by panic

40-46 tank badges, please give me your opinion...

Started by MARCE

Replies: 5
Views: 3,466

October 06, 2017, 04:56:24 AM
by MARCE

40/early 41 frame measurments

Started by poorbiker

Replies: 2
Views: 2,404

March 31, 2013, 01:55:35 PM
by easyricer

41 frame.

Started by poorbiker

Replies: 2
Views: 2,505

March 29, 2013, 10:00:30 AM
by poorbiker

42 or 47

Started by ridgerider

Replies: 5
Views: 3,651

March 01, 2015, 08:24:39 PM
by Speeding Big Twin

45 flathead trike

Started by wreck74

Replies: 2
Views: 3,030

May 23, 2016, 06:22:45 AM
by tomcat64

45 Magnum

Started by Pzokes

Replies: 0
Views: 2,710

July 05, 2010, 08:06:18 PM
by Pzokes

45" Flathead Frame Value

Started by JamLazyAss

Replies: 3
Views: 3,038

March 04, 2010, 05:46:29 PM
by JamLazyAss

45" servi-car cam

Started by hd76fxlr

Replies: 0
Views: 1,893

February 18, 2011, 06:27:24 PM
by hd76fxlr

47 El

Started by cosmiccowboy

Replies: 5
Views: 2,308

March 11, 2009, 01:04:05 PM
by cosmiccowboy

47 FL Clutch upgrade ?

Started by yobtaf103

Replies: 1
Views: 4,650

August 14, 2019, 01:31:45 PM
by HogMike

47 knuck info needed

Started by Geezer_Glider

Replies: 10
Views: 5,113

October 11, 2009, 10:58:38 AM
by Ultrashovel

47 Knuck value

Started by hbkeith

Replies: 3
Views: 2,927

November 12, 2012, 06:46:43 AM
by ricochet

47 knucklehead

Started by wreck74

Replies: 0
Views: 2,492

August 25, 2015, 04:16:34 PM
by wreck74

47U or what the heck is this Barn Find?

Started by mike c

Replies: 2
Views: 2,882

July 27, 2010, 05:37:46 PM
by mike c

48 and up oil pumps

Started by poorbiker

Replies: 0
Views: 2,167

March 26, 2013, 10:04:16 PM
by poorbiker

after market cyl.

Started by poorbiker

Replies: 9
Views: 3,382

April 17, 2009, 05:57:30 AM
by ricochet

Aluminum cylinders for flatheads

Started by trex

Replies: 11
Views: 6,095

August 29, 2015, 09:51:44 AM
by panic

Any one have any problems with oil not draining out of knuckle rocker cups ?

Started by iiggii

Replies: 4
Views: 5,532

June 18, 2020, 03:27:47 AM
by iiggii

Anyone running a new knuckle from S&S

Started by 1931jamesw

Replies: 4
Views: 3,442

February 25, 2013, 10:08:47 AM
by ricochet

ATTENTION FLORIDA FLATHEAD RIDERS!

Started by Purple Pan Dan

Replies: 0
Views: 1,973

April 06, 2009, 05:33:04 AM
by Purple Pan Dan

Barn find

Started by SOCS

Replies: 5
Views: 3,662

April 03, 2015, 02:47:12 AM
by moose

bearing cage

Started by poorbiker

Replies: 2
Views: 2,188

May 19, 2009, 07:04:33 PM
by drinner-okc

Best Starting Carb for Knuckle??

Started by FlaHeatWave

Replies: 11
Views: 4,303

May 24, 2020, 03:00:31 PM
by SP33DY

breather bore

Started by poorbiker

Replies: 1
Views: 3,123

December 26, 2013, 07:17:11 PM
by Ultrashovel

Bud Hopkins repro parts

Started by harleytoprock

Replies: 0
Views: 2,507

October 12, 2009, 02:34:41 PM
by harleytoprock

Buddy of mine just got this knuckle ,,,

Started by iiggii

Replies: 13
Views: 5,267

March 15, 2010, 07:12:27 PM
by iiggii

Cam Chest Covers.....

Started by ModelABob

Replies: 3
Views: 2,556

August 03, 2009, 06:57:16 AM
by ModelABob

cam ID

Started by cosmiccowboy

Replies: 5
Views: 2,493

June 22, 2009, 06:51:38 PM
by cosmiccowboy

carb

Started by cosmiccowboy

Replies: 3
Views: 3,271

November 09, 2013, 05:49:44 PM
by blindbowman

cast welding

Started by poorbiker

Replies: 7
Views: 3,095

May 26, 2009, 04:18:54 AM
by Don D

Check Valve on '47

Started by rickw

Replies: 3
Views: 3,417

November 13, 2016, 07:03:06 AM
by rbabos

clutch discs thickness, please

Started by evo58

Replies: 0
Views: 1,841

May 06, 2009, 07:33:31 PM
by evo58

colony pushrods survey

Started by MBSKEAM

Replies: 0
Views: 2,065

October 28, 2009, 05:09:27 PM
by MBSKEAM

Corrugated exhaust pipe

Started by CarlosGGodfrog

Replies: 5
Views: 4,093

February 20, 2022, 04:51:35 AM
by Hillside Motorcycle

CV Carb on a 45", good or bad idea?

Started by shovelheadjr

Replies: 5
Views: 3,356

July 13, 2009, 06:32:47 PM
by Ultrashovel

E bay engine for sale ( not mine )

Started by HD/Wrench

Replies: 3
Views: 3,069

March 11, 2016, 02:07:20 PM
by JamLazyAss

fire ring

Started by ridgerider

Replies: 9
Views: 4,215

February 15, 2011, 09:14:09 AM
by ricochet

Flat head cc question

Started by Phat Black

Replies: 3
Views: 2,576

January 05, 2016, 04:09:38 AM
by Phat Black