Penton Owners Group

Tech Tips

These originally appeared in the Penton Owners Group newsletter, "Still...Keeping Track".

Tech Tips are organized by category. Please click on a category to see the articles.

Carburetors

Carburetion

by John Cobb, Reprinted March 1973 Keeping Track

New Carb Specs

by J. D. Slater, Reprinted November 1973 Keeping Track

Bing Carbs 101

by Bobby Lucas, originally printed in 2000 issue #6 of Still....Keeping Track

Bing Carburetor Troubleshooting

by Alan Buehner, originally printed in the 2005 issue #28 of Still….Keeping Track

Bing Carburetors #3

by Alan Buehner, originally printed in the 2006 issue #31 of Still….Keeping Track

Lectron Carbs

by Alan Buehner, originally printed in issue #52 of Still….Keeping Track

KTM Intake Manifolds

by Alan Buehner, originally printed in issue #54 of Still….Keeping Track

Sachs Engines

Simple Sachs Shift Selector Secrets

by Kip Kern, originally printed in 1999 issue #5 of Still....Keeping Track

Pistons, Cylinders & Reboring

by John Cobb, reprint of "Let's Do It Right" Jan 1973 issue no.2 of "Keeping Track" newsletter

Sachs Care!

by Doug Wilford, originally printed in the 2001 issue #12 of Still….Keeping Track

Sachs Shifting Woes

by Doug Wilford, originally printed in the 2001 issue #13 of Still….Keeping Track

Building a 175cc Sachs Motor

by John Durrill, originally printed in the 2003 issue #18 of Still….Keeping Track

Sachs A & B Motors

by Alan Buehner, originally printed in the 2004 issue #23 of Still….Keeping Track

Identify a Sachs Stuffed Case

Originally printed in the 2003 issue #19 of Still….Keeping Track

Carl Crank Porting Specs

Originally printed in the 2006 issue #33 of Still….Keeping Track

Sachs and Your Left Foot 101

by Doug Wilford, originally printed in the 2007 issue #34 of Still….Keeping Track

Sachs "B" Rods

by Alan Buehner, originally printed in the 2008 issue #39 of Still….Keeping Track

Killing a Run-A-Way Engine

by Alan Buehner, originally printed in the 2008 issue #40 of Still….Keeping Track

Home-Made Special Engine Tools

by Alan Buehner, originally printed in the 2010 issue #49 of Still….Keeping Track

Special Engine Tools II

by Alan Buehner, originally printed in the 2011 issue #50 of Still….Keeping Track

Sachs Pistons and Rings

by Alan Buehner, originally printed in issue #56 of Still….Keeping Track

Sachs Cylinders

by Alan Buehner, originally printed in issue #57 of Still….Keeping Track

Sachs Cylinder Heads

by Alan Buehner, originally printed in issue #58 of Still….Keeping Track

Sachs Clutch Assemblies

by Alan Buehner, originally printed in issue #59 of Still….Keeping Track

Sachs 5 Speed Mainshafts

by Alan Buehner, originally printed in issue #65 of Still….Keeping Track

Evaluating a Sachs Engine

What to look for when considering purchasing a Sachs engine.

Balancing the Crank

Problems you can run into if you use big hammers and not the proper pullers and tools when working on engines.

Removing Sachs Sprockets

Proper technique for removing the sprocket from a Sachs engine.

Sachs D Engine Intake Manifold

Solutions for intake manifold replacement.

KTM Engines

KTM Clutches

by Bobby Lucas, Originally printed in 1999 issue #4 of Still....Keeping Track

KTM Motor Cranks

by Bobby Lucas, originally printed in 2000 issue #7of Still….Keeping Track

Carl Cranke 250 Porting

by Alan Buehner, originally printed in the 2000 issue #8 of Still....Keeping Track

Do's and Don'ts of Magnesium

by Alan Buehner, originally printed in the 2000 issue #9 of Still….Keeping Track

Pistons, Cylinders & Reboring

by John Cobb, reprint of "Let's Do It Right" Jan 1973 issue no.2 of "Keeping Track" newsletter

How to set up a winning Penton 250 motor

by Kent Knudson, originally printed in the 2002 issue #15 of Still….Keeping Track

KTM Bearing Plates

by Alan Buehner, originally printed in the 2005 issue #27 of Still….Keeping Track

KTM 250 & 400 Cylinders

by Alan Buehner, originally printed in the 2005 issue #29 of Still….Keeping Track

420 & 495 Engines

by Alan Buehner, originally printed in the 2007 issue #36 of Still….Keeping Track

Killing a Run-A-Way Engine

by Alan Buehner, originally printed in the 2008 issue #40 of Still….Keeping Track

Tightening Nut on Engine Frame Brace

by Doug Bridges, originally printed in issue #47 of Still….Keeping Track

Home-Made Special Engine Tools

by Alan Buehner, originally printed in the 2010 issue #49 of Still….Keeping Track

Special Engine Tools II

by Alan Buehner, originally printed in the 2011 issue #50 of Still….Keeping Track

KTM 175 Cranks

by Alan Buehner and “Chicago” Jerry Grakauskas, originally printed in issue #51 of Still….Keeping Track

KTM Intake Manifolds

by Alan Buehner, originally printed in issue #54 of Still….Keeping Track

Air Box Boots

by Alan Buehner, originally printed in issue #55 of Still….Keeping Track

KTM Clutch Case Covers

by Alan Buehner, originally printed in issue #63 of Still….Keeping Track

KTM 250 Cylinder Heads

What's the difference between KTM 250 Cylinder Heads?

How to Choose an Engine Case Screw

Choosing the correct screw length for your project.

Balancing the Crank

Problems you can run into if you use big hammers and not the proper pullers and tools when working on engines.

Installing Pistons in Cylinders with an Exhaust Bridge

Find out how to relieve an exhaust bridge and drill lubrication holes in 2 stroke applications.

Frames

How to set up a Winning Penton (Part 2)

Chassis and Suspension, by Kent Knudson, originally printed in the 2002 issue #16 of Still….Keeping Track

How to set up a Winning Penton (Part 3)

Parts and Accessories, by Kent Knudson, originally printed in the 2002 issue #17 of Still….Keeping Track

Preparing a Penton ISDT Bike

by Alan Buehner, originally printed in the 2003 issue #20 of Still….Keeping Track

Post-vintage Tanks & Decals

by Alan Buehner, originally printed in the 2004 issue #25 of Still….Keeping Track

KTM bikes from 1978-88

by Alan Buehner, originally printed in the 2006 issue #32 of Still….Keeping Track

Steering Head Races

by Alan Buehner, originally printed in the 2009 issue #43 of Still….Keeping Track

Air Box Boots

by Alan Buehner, originally printed in issue #55 of Still….Keeping Track

1970 Penton Modifications

by Alan Buehner, originally printed in issue #60 of Still….Keeping Track

Brake Arms

by Alan Buehner, originally printed in issue #61 of Still….Keeping Track

KTM Air Boxes

Changes and improvements to the air boxes used on the Penton/ KTM bikes from 1972-82.

Aftermarket Exhausts

by Alan Buehner, originally printed in issue #64 of Still….Keeping Track

-Forks

Front Forks

by Alan Buehner, originally printed in the 2004 issue #22 of Still….Keeping Track

Front Axles

by Alan Buehner, originally printed in the 2008 issue #41 of Still….Keeping Track

Cerriani Fork Tube Nuts

by Alan Buehner, originally printed in the 2009 issue #42 of Still….Keeping Track

Rebuilding Ceriani 35mm Forks

by Alan Buehner, originally printed in issue #66 of Still….Keeping Track

-Wheels

Do's and Don'ts of Magnesium

by Alan Buehner, originally printed in the 2000 issue #9 of Still….Keeping Track

Rims and Rear Wheel Hubs

by Alan Buehner, originally printed in the 2004 issue #24 of Still….Keeping Track

1972-75 Cush Drives

by Alan Buehner, originally printed in the 2006 issue #35 of Still….Keeping Track

Front Wheel Spacer Tubes

by Alan Buehner, originally printed in the 2010 issue #46 of Still….Keeping Track

Cracked Magnesium Hubs

Where to look for cracking in the hubs on your bike.

-Lights

Tail Lights

by Alan Buehner, originally printed in the 2009 issue #44 of Still….Keeping Track

Head Lights

by Alan Buehner, originally printed in the 2009 issue #45 of Still….Keeping Track

-Pipes

Aftermarket Exhausts

by Alan Buehner, originally printed in issue #64 of Still….Keeping Track

KTM exhaust pipes

by Alan Buehner, originally printed in issue #68 of Still….Keeping Track

Maintenance

Do's and Don'ts of Magnesium

by Alan Buehner, originally printed in the 2000 issue #9 of Still….Keeping Track

Pistons, Cylinders & Reboring

by John Cobb, reprint of "Let's Do It Right" Jan 1973 issue no.2 of "Keeping Track" newsletter

After the Race

by John Cobb, reprint of "Let's Do It Right" April 1973 issue no.5 of "Keeping Track" newsletter

How to set up a winning Penton 250 motor

by Kent Knudson, originally printed in the 2002 issue #15 of Still….Keeping Track

How to set up a Winning Penton (Part 2)

Chassis and Suspension, by Kent Knudson, originally printed in the 2002 issue #16 of Still….Keeping Track

How to set up a Winning Penton (Part 3)

Parts and Accessories, by Kent Knudson, originally printed in the 2002 issue #17 of Still….Keeping Track

Preparing a Penton ISDT Bike

by Alan Buehner, originally printed in the 2003 issue #20 of Still….Keeping Track

Keeping your Ignition going

by Alan Buehner, originally printed in the 2005 issue #26 of Still….Keeping Track

Overlooked Maintenance Items

by Alan Buehner, originally printed in the 2006 issue #30 of Still….Keeping Track

Winter Check List

by Alan Buehner, originally printed in the 2007 issue #37 of Still….Keeping Track

Tech Secrets

by Alan Buehner, originally printed in the 2008 issue #38 of Still….Keeping Track

Home-Made Special Engine Tools

by Alan Buehner, originally printed in the 2010 issue #49 of Still….Keeping Track

Special Engine Tools II

by Alan Buehner, originally printed in the 2011 issue #50 of Still….Keeping Track

1970 Penton Modifications

by Alan Buehner, originally printed in issue #60 of Still….Keeping Track

Evaluating a Sachs Engine

What to look for when considering purchasing a Sachs engine.

Advice From Old “Keeping Track” Newsletters

Articles are from the old “Keeping Track” newsletters.

Balancing the Crank

Problems you can run into if you use big hammers and not the proper pullers and tools when working on engines.

What To Do If You Have Spark But Engine Will Not Start Or Run?

What to look for when you have spark, but the engine won't start.

What To Use To Clean Bikes And Parts

Dealing with the challenge of cleaning vintage bikes.

Installing Pistons in Cylinders with an Exhaust Bridge

Find out how to relieve an exhaust bridge and drill lubrication holes in 2 stroke applications.

General

What to Look For When Shopping

by Kip Kern, originally printed in the 2002 issue #14 of Still….Keeping Track

Preparing a Penton ISDT Bike

by Alan Buehner, originally printed in the 2003 issue #20 of Still….Keeping Track

RESTORATION or PRESERVATION

by Alan Buehner, originally printed in the 2003 issue #21 of Still….Keeping Track

Killing a Run-A-Way Engine

by Alan Buehner, originally printed in the 2008 issue #40 of Still….Keeping Track

Mark Lester's KTM 125 Road Racers

by Alan Buehner, originally printed in the 2010 issue #48 of Still….Keeping Track

Penton Short Tracker Components

by Alan Buehner, originally printed in issue #53 of Still….Keeping Track

My Motorcycle Restoration Hobby

Originally printed in issue #77 of Still....Keeping Track

Dates on Mfg's Statement of Origin

Discussion on a member's motorcycle Statement Of Origin paperwork.

Pistons Aren't Round:

Why pistons are designed to not be perfectly round.