Knuck/Flat Head

42 or 47

Started by ridgerider

Replies: 5
Views: 3,417

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

Barn find

Started by SOCS

Replies: 5
Views: 3,414

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

47 knucklehead

Started by wreck74

Replies: 0
Views: 2,287

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

1937 UL engine

Started by gooru4speed

Replies: 2
Views: 2,600

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

Aluminum cylinders for flatheads

Started by trex

Replies: 11
Views: 5,818

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

1966 Servi-Car

Started by dubepj

Replies: 5
Views: 3,559

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

Odd knuck serial number

Started by Jimmer

Replies: 9
Views: 5,460

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

Going to look at a 39'

Started by BBQBIKER

Replies: 5
Views: 3,117

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

What is it worth?

Started by Super Dave

Replies: 6
Views: 3,250

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

Flat head cc question

Started by Phat Black

Replies: 3
Views: 2,327

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

Large port Knuckle Heads & Servi Car Leaf Spring's

Started by Danny Boy

Replies: 1
Views: 2,072

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

Servicar barn find

Started by cdonis

Replies: 4
Views: 2,701

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

The rebuild on my 45 has started

Started by PC_Hater

Replies: 5
Views: 3,040

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

Frame Question

Started by fbn ent

Replies: 2
Views: 2,327

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

Whats it worth ?

Started by sandrooney

Replies: 4
Views: 2,632

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

Flattie questions from a noob.

Started by Carl 1969

Replies: 2
Views: 2,303

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

E bay engine for sale ( not mine )

Started by HD/Wrench

Replies: 3
Views: 2,830

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

fork rocker help

Started by friday

Replies: 3
Views: 2,412

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

1942 WLA bobber

Started by Super Dave

Replies: 14
Views: 4,587

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

1946 Knuckle

Started by HogMike

Replies: 3
Views: 2,916

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

45 flathead trike

Started by wreck74

Replies: 2
Views: 2,792

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

k kodel frame what years are the same.

Started by dr evo1

Replies: 1
Views: 2,434

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

1935 74" chain oiler pipe nipple

Started by xlfan

Replies: 0
Views: 2,167

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

S&S Cycle KN93

Started by hanger

Replies: 0
Views: 2,676

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

Check Valve on '47

Started by rickw

Replies: 3
Views: 3,176

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

Hydraulic rear brake switch?

Started by fleetmechanic

Replies: 1
Views: 2,356

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

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

Started by MARCE

Replies: 5
Views: 3,242

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

Head bolt torque

Started by cHarley

Replies: 8
Views: 3,446

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

S&S 93" Knucklehead Engines

Started by leafman60

Replies: 4
Views: 6,267

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

Panhead Left Case on Knucklehead Right

Started by SanB2013

Replies: 3
Views: 4,393

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

Valve/lifter covers

Started by Dudley Dorite

Replies: 2
Views: 4,826

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

47 FL Clutch upgrade ?

Started by yobtaf103

Replies: 1
Views: 4,420

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

Model 45 Buddy Seat install instructions.

Started by MPop

Replies: 0
Views: 2,792

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

Best Starting Carb for Knuckle??

Started by FlaHeatWave

Replies: 11
Views: 4,022

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

Has anyone tried a set of the alum knuckle heads ?

Started by iiggii

Replies: 5
Views: 2,720

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

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

Started by iiggii

Replies: 4
Views: 5,281

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

The 45 rebuild begins...

Started by PC_Hater

Replies: 1
Views: 2,001

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

WL Rear Brake Drum, Turn ID

Started by FLH_Rider

Replies: 0
Views: 1,746

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

Flathead Heads

Started by JamLazyAss

Replies: 6
Views: 2,341

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

What year?

Started by fbn ent

Replies: 10
Views: 3,750

July 14, 2021, 05:35:11 PM
by Snuff™

New exhust system with "California Growler"

Started by SanB2013

Replies: 4
Views: 1,638

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

Corrugated exhaust pipe

Started by CarlosGGodfrog

Replies: 5
Views: 3,698

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

Knuckle Head oil question

Started by RTMike

Replies: 1
Views: 9,771

March 29, 2023, 12:25:25 PM
by SP33DY