Knuck/Flat Head

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

Started by Robin

Replies: 10
Views: 11,271

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

Show Your Flathead

Started by ShovelheadDave

Replies: 9
Views: 4,142

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

Corrugated exhaust pipe

Started by CarlosGGodfrog

Replies: 5
Views: 2,608

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

New exhust system with "California Growler"

Started by SanB2013

Replies: 4
Views: 619

December 31, 2021, 10:35:30 PM
by SanB2013

What year?

Started by fbn ent

Replies: 10
Views: 2,151

July 14, 2021, 05:35:11 PM
by Snuff™

Flathead Heads

Started by JamLazyAss

Replies: 6
Views: 1,268

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

WL Rear Brake Drum, Turn ID

Started by FLH_Rider

Replies: 0
Views: 851

April 27, 2021, 12:31:35 PM
by FLH_Rider

The 45 rebuild begins...

Started by PC_Hater

Replies: 1
Views: 1,013

April 09, 2021, 11:55:38 AM
by SanB2013

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

Started by iiggii

Replies: 4
Views: 4,210

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

Has anyone tried a set of the alum knuckle heads ?

Started by iiggii

Replies: 5
Views: 1,687

June 16, 2020, 01:43:37 PM
by iiggii

Best Starting Carb for Knuckle??

Started by FlaHeatWave

Replies: 11
Views: 3,357

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

Model 45 Buddy Seat install instructions.

Started by MPop

Replies: 0
Views: 1,910

January 14, 2020, 07:36:54 PM
by MPop

47 FL Clutch upgrade ?

Started by yobtaf103

Replies: 1
Views: 3,294

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

Valve/lifter covers

Started by Dudley Dorite

Replies: 2
Views: 3,667

February 20, 2019, 04:42:12 PM
by Dudley Dorite

Panhead Left Case on Knucklehead Right

Started by SanB2013

Replies: 3
Views: 3,249

January 13, 2019, 08:53:01 AM
by doctorevil

S&S 93" Knucklehead Engines

Started by leafman60

Replies: 4
Views: 5,692

February 19, 2018, 05:52:25 PM
by koko3052

Head bolt torque

Started by cHarley

Replies: 8
Views: 2,437

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

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

Started by MARCE

Replies: 5
Views: 2,244

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

Hydraulic rear brake switch?

Started by fleetmechanic

Replies: 1
Views: 1,922

November 15, 2016, 07:21:59 PM
by Speeding Big Twin

Check Valve on '47

Started by rickw

Replies: 3
Views: 2,612

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

S&S Cycle KN93

Started by hanger

Replies: 0
Views: 2,206

October 17, 2016, 08:36:28 PM
by hanger

1935 74" chain oiler pipe nipple

Started by xlfan

Replies: 0
Views: 1,753

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

k kodel frame what years are the same.

Started by dr evo1

Replies: 1
Views: 2,008

July 23, 2016, 06:27:19 PM
by hogmandon

45 flathead trike

Started by wreck74

Replies: 2
Views: 2,317

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

1946 Knuckle

Started by HogMike

Replies: 3
Views: 2,378

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

1942 WLA bobber

Started by Super Dave

Replies: 14
Views: 3,678

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

fork rocker help

Started by friday

Replies: 3
Views: 1,945

April 08, 2016, 05:34:23 PM
by HogMike

E bay engine for sale ( not mine )

Started by HD/Wrench

Replies: 3
Views: 2,289

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

Flattie questions from a noob.

Started by Carl 1969

Replies: 2
Views: 1,845

March 09, 2016, 03:04:30 PM
by Super Dave

Whats it worth ?

Started by sandrooney

Replies: 4
Views: 2,111

March 01, 2016, 07:00:40 PM
by kd

Frame Question

Started by fbn ent

Replies: 2
Views: 1,813

February 04, 2016, 08:18:38 PM
by fbn ent

The rebuild on my 45 has started

Started by PC_Hater

Replies: 5
Views: 2,445

January 12, 2016, 04:25:47 PM
by Super Dave

Servicar barn find

Started by cdonis

Replies: 4
Views: 2,161

January 12, 2016, 11:01:42 AM
by fbn ent

Large port Knuckle Heads & Servi Car Leaf Spring's

Started by Danny Boy

Replies: 1
Views: 1,653

January 07, 2016, 08:18:36 PM
by cdonis

Flat head cc question

Started by Phat Black

Replies: 3
Views: 1,862

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

What is it worth?

Started by Super Dave

Replies: 6
Views: 2,624

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

Going to look at a 39'

Started by BBQBIKER

Replies: 5
Views: 2,581

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

Odd knuck serial number

Started by Jimmer

Replies: 9
Views: 4,650

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

1966 Servi-Car

Started by dubepj

Replies: 5
Views: 2,954

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

Aluminum cylinders for flatheads

Started by trex

Replies: 11
Views: 4,973

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

1937 UL engine

Started by gooru4speed

Replies: 2
Views: 2,142

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

47 knucklehead

Started by wreck74

Replies: 0
Views: 1,861

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

Barn find

Started by SOCS

Replies: 5
Views: 2,811

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

42 or 47

Started by ridgerider

Replies: 5
Views: 2,893

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

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

Started by Lyle

Replies: 14
Views: 7,124

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

resleeve a K model??

Started by kmodel52

Replies: 12
Views: 4,301

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

My New Flathead Chopper

Started by Pzokes

Pages1 2 3  All

Replies: 55
Views: 22,652

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

breather bore

Started by poorbiker

Replies: 1
Views: 2,448

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

carb

Started by cosmiccowboy

Replies: 3
Views: 2,587

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

Knuckle valve guides

Started by Beave

Replies: 0
Views: 2,136

August 28, 2013, 04:48:25 AM
by Beave