Knuck/Flat Head

42 or 47

Started by ridgerider

Replies: 5
Views: 3,333

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

Installing electronic timer on 47

Started by ricochet

Replies: 5
Views: 2,508

June 15, 2009, 05:24:21 AM
by ricochet

Headwork, valves and seats

Started by ricochet

Replies: 5
Views: 2,796

June 11, 2009, 10:46:35 AM
by ricochet

cam ID

Started by cosmiccowboy

Replies: 5
Views: 2,467

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

Barn find

Started by SOCS

Replies: 5
Views: 3,310

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

Going to look at a 39'

Started by BBQBIKER

Replies: 5
Views: 2,991

September 06, 2015, 11:04:54 AM
by panic

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

Started by MARCE

Replies: 5
Views: 3,140

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

47 El

Started by cosmiccowboy

Replies: 5
Views: 2,290

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

Flathead Heads

Started by JamLazyAss

Replies: 6
Views: 2,242

June 08, 2021, 04:54:15 PM
by PC_Hater

NITRO guys aint right!!!!

Started by prodrag1320

Replies: 6
Views: 3,111

April 01, 2011, 03:27:10 AM
by dog155

Reproduction Left Case.....

Started by ModelABob

Replies: 6
Views: 3,311

October 29, 2009, 09:10:42 PM
by dablaze

Listen to THIS Knucklehead!!!

Started by Robin

Replies: 6
Views: 4,226

April 09, 2010, 01:04:25 AM
by prodrag1320

What is it worth?

Started by Super Dave

Replies: 6
Views: 3,111

October 22, 2015, 04:15:55 PM
by rigidthumper

'45 knuck

Started by Jimmer

Replies: 7
Views: 3,767

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

KNUCKLEHEAD OIL PUMP

Started by HOLMES

Replies: 7
Views: 3,524

April 08, 2009, 05:25:26 AM
by ridgerider

cast welding

Started by poorbiker

Replies: 7
Views: 3,072

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

Keihin CV carb

Started by pamens

Replies: 7
Views: 8,313

June 30, 2009, 03:34:55 PM
by Ultrashovel

vld gas tank water transfers or emblems, decals?

Started by hd76fxlr

Replies: 7
Views: 7,322

October 22, 2009, 07:19:41 AM
by ricochet

Home made stuff for old primary set-up

Started by ricochet

Replies: 8
Views: 3,386

May 04, 2011, 09:17:37 AM
by ricochet

Head bolt torque

Started by cHarley

Replies: 8
Views: 3,307

December 09, 2017, 08:54:29 AM
by cHarley

KNUCKLEHEAD FRONT MOTOR MOUNTS

Started by HOLMES

Replies: 8
Views: 3,160

April 14, 2009, 10:12:24 PM
by iiggii

top end oiling

Started by vern

Replies: 8
Views: 3,942

May 12, 2011, 08:31:56 AM
by vern

Odd knuck serial number

Started by Jimmer

Replies: 9
Views: 5,287

August 30, 2015, 07:17:35 AM
by Ultrashovel

To weld or not to weld? That is the question.

Started by ricochet

Replies: 9
Views: 3,460

January 19, 2012, 02:36:07 PM
by timtoolman

It's OK to Share!

Started by Scooter1-2putt

Replies: 9
Views: 13,086

December 13, 2009, 06:35:51 AM
by 06DYNA

after market cyl.

Started by poorbiker

Replies: 9
Views: 3,362

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

Need Knucklehead Heads

Started by eglideic

Replies: 9
Views: 4,187

November 28, 2009, 03:18:45 PM
by iiggii

fire ring

Started by ridgerider

Replies: 9
Views: 4,184

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

What year?

Started by fbn ent

Replies: 10
Views: 3,653

July 14, 2021, 05:35:11 PM
by Snuff™

47 knuck info needed

Started by Geezer_Glider

Replies: 10
Views: 5,092

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

need cylinders

Started by ridgerider

Replies: 10
Views: 4,179

February 09, 2011, 04:56:50 AM
by ricochet

last year of the 45" flatty

Started by garyajaz

Replies: 10
Views: 4,189

October 21, 2010, 06:29:14 PM
by Ultrashovel

Best Starting Carb for Knuckle??

Started by FlaHeatWave

Replies: 11
Views: 3,918

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

Aluminum cylinders for flatheads

Started by trex

Replies: 11
Views: 5,657

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

resleeve a K model??

Started by kmodel52

Replies: 12
Views: 4,939

June 26, 2014, 09:59:21 AM
by JohnFlorida

Buddy of mine just got this knuckle ,,,

Started by iiggii

Replies: 13
Views: 5,240

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

1942 WLA bobber

Started by Super Dave

Replies: 14
Views: 4,383

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

increasing performance on a flathead

Started by hotroadking

Replies: 14
Views: 9,434

June 09, 2009, 11:11:05 AM
by ohio-rider

Knuckle top on Pan/gen Shovel/cone Shovel lower info.

Started by Lyle

Replies: 14
Views: 7,637

July 13, 2014, 06:34:05 PM
by Lyle

1937 UL

Started by codyshop

Replies: 14
Views: 7,407

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

knuckle valve seals

Started by vern

Replies: 16
Views: 4,224

August 27, 2011, 07:08:59 AM
by War Horse

My 47 Knuckle bobber project

Started by poorbiker

Pages1 2  All

Replies: 28
Views: 12,279

December 30, 2011, 04:33:03 PM
by Pzokes

My New Flathead Chopper

Started by Pzokes

Pages1 2 3  All

Replies: 55
Views: 24,981

January 20, 2014, 06:14:41 AM
by Carl 1969