Archive for the 'Engines' Category



Harley Ironhead Sportster Motor Mount Spacers

Those restoring/improving the look of their Ironhead Sportster]s will be happy to know that they can bring an extra touch of retro brass to their sled with these machined spacers to fit the front motor mounts on models 1954 to 1985. They will work not only with stock Harley Sportster frames but also some after-market […]

High Power Drain Plug Magnets

Drain plug. Not the most sexy of all custom parts, but the only accessory you can add to your motor/engine, that will actually extend the life of your vehicle, regardless if it’s an automobile or motorcycle, or lawn mower or what you have with an engine. A company called Drain Plug Magnets makes high powered […]

Did You Know? Engine Air/Fuel Ratio.

Question: This may be a ridiculous question, but I would like to know the correlation between air/fuel ratio and oil/fuel ratio rich/lean mixture. Is it acceptable to lean out the oil/fuel ratio from that of the manufactures recommendation to compensate for rich running conditions. I use Golden Spectro 2stroke oil in my ’99 KDX 200. […]

Ducati Unveils The SuperQuadro Engine

In a classic case of race technology moving to street motorcycles. Ducati unveiled his new V-Twin Engine dubbed the SuperQuadro (super square) claiming to have squeezed 195 bhp and 98 lbs of torque from the 1199 cc liquid-cooled v-twin engine. The recipe? A bore of 112 mm and stroke of 60.8 mm with larger titanium valves and […]

Brat Style Is Back

Although, like for any other styles of bikes, you will never find a strict, agreed by all, definition of what makes a motorcycle a Brat bike, let’s say that more often than not, they are based on small displacement Japanese factory bikes with modified frame, low stance and slab type seats. Others will tell you […]

Daytona Biketoberfest. Free Installation Of Thundermax Performance Products.

The silver lining of our economic recession is that many of the industry best brands offer sweet product packages and free installation during big rallies. I will announce all those providing such deals, the first one advising me being Zipper’s/ThunderMax Performance products. Setup at Bruce Rssmeyer’s Destination Harley in Ormond Beach, FL its crew of […]

Motorcycle Parts Website

Narrow 2″ Open Belt Drive For Touring Harleys

All open belt drives are getting thinner, with 2″ wide belt systems being the preferred size. Bagger owners have a lot of brand choices, and one more with this new one from Ultima Products. It can be installed on 1990 to 2006 Harley-Davidson FLT, FLH & FXR Evo or Twin Cam.  Kit Includes billet aluminum  […]

RevTech 97”/106” Big Bore Kits with KB Forged Pistons

For more displacement at a good value, these 4” big bore cylinders with forged coated KB pistons and Cometic gaskets increase the displacement of an 88” Twin Cam engine to 97” and raise a 96” Twin Cam to a whopping 106”, all this with no case machining necessary. Each kit includes: • RevTech 4” Cylinders […]

Running 2/5th Scale Model Panhead Engine

Radial Velocity Stack

Although the only available pictures are of bad quality, this is one of the best looking velocity stacks if you are into the old school style. The one featured in the pics is made for AMAL carburetors (the ones used by most of the British motorcycle industry), but the good news is that Maund Speed […]

Sniff Sniff. Adjust Your Motorcycle Air To Fuel Ratio.

A sniffer placed in your exhaust helps you read then adjust your current air to fuel ratio. JIMS has manufactured and assembled all the parts needed for a single part number, user-friendly, AFR diagnostic sniffer tool kit. Use it with the Daytona Twin Tec (WEGO) or an equivalent AFR Monitoring System. Simply install the WEGO […]

What Your Motor Is Doing? Roland Sands Launches The Clarity Line.

Ever wanted to know what’s going on inside your engine? Now you can view its internal components while they work.  With the new RSD Clarity Line, your motorcycle inner workings are on display while sealed tight behind articulately machined billet aluminum and transparent polycarbonate. Design is inspired and machined with the form of true working […]

Brass Head Bolt Covers

To complete the retro look of your bike, details count. Like these stylish head bolt covers slipping above your existing engine head bolts, and being secured with a set screw which can be positioned to the side and accessed between the fins. They are CNC machined by CSC with a fine machined finish. Sold by set of 4 […]

The Lightest, Most Compact, Most Powerful Battery For Your V-Twin

A light weight battery with massive power able to start over and over bikes up to 135′ motors and that you can easily hide is the dream of all custom builders. A company called Antigravity Batteries makes such a claim for street motorcycles up to 1800 cc, all this in a very light package of […]

Calculating Speed And RPM With A Lot Of Help From Baker Drivetrain

Very few bikers and custom builders are inclined (able?) to do the mathematical reasoning necessary to predict Torque, RPM and Speed. There are very few men in the industry who are making a living using abstraction and science to improve the art of multiplying torque, of optimizing gear ratios and sizes to the desired RPM […]

Screaming Eagle Round Air Cleaner For Harley Sportster Models

To boost the performance while changing the style of a Fuel-Injected Sportster Engine is an appealing proposition. The new Screamin’ Eagle® Round Sportster® Stage 1 Air Cleaner Kit (P/N 29000009 Gloss Black or 29000019 Chrome; $139.95) from Harley-Davidson® provides increased air flow and is street legal when used with stock mufflers Requires ECM calibration (priced […]

Cycle Kraft Velocity Stacks

Last week at the Rapid City airport, met with Custom Builder Kenji Nagai from Ken’s Factory. Between a last cigarette before a TSA security check (Japanese & French are the only ones still to smoke…), small talk about the Sturgis rally we were returning from, my Blog, his latest creation, and his parts sold in the US via […]

Easy Muscle For Your Wimpy Bike

If you want to quickly add a lot of horsepower to your EFI Touring, Softail® or Dyna® , give it some N.A.D.S. (Nitrous Assisted Dry System.) Probably the biggest bang for your buck ThunderMax N.A.D.S. is a complete bolt-on “dry” system that requires no secondary fuel source for a clean, simple installation in maxi 30 […]

California Court Sides With Bikers Burned by Their Twin Cam Harleys

Four bikers can move forward with a class action that claims Harley Davidson manufactured defective motorcycles that burn drivers’ legs, a federal judge ruled. the four bikers alleged that since 1999, Twin Cam engines in Harley motorcycles were prone to overheating and caused burn injuries to their legs. Transmissions on models manufactured since 2006 also […]

Sturgis And Black Hills. Riding Low And Riding High With ThunderMax Auto-Tune.

If you are a faithful to the Sturgis rally, you know that ambient conditions in the Black Hills vary an extraordinary amount. During the same day riding altitudes can vary from 3500 to over 6500 feet, creating rich conditions that are unnecessary and waste a lot of fuel. Reason why the Thundermax and Zipper’s Performance […]

New Screamin’ Eagle Round Air Cleaner For Sportster Models

Conceived to provide increased air flow to boost the power of fuel-injected Sportster models, the new Screamin’ Eagle® Round Sportster® Stage 1 Air Cleaner Kit (Brilliant Chrome or Gloss Black or Chrome; $139.95) can be matched with an accessory round cover or for an open-element look with custom air cleaner trim from one of the […]

Your Motorcycle Engine. Can Synthetic Oil Be Switched to Regular Oil?

Spectro Performance Oils is anwering your question. “Yes, synthetic oil can be switched to regular oil in an engine. And vice versa: the oil type can be switched as often as desired. Both synthetic and regular oils lubricate engines internally, providing a barrier that prevents metal-on-metal contact inside the engine.

New BAKER Drivetrain Oil Pan Uncovered By Accident

Don’t think I am all the time behind a computer. I meet with a lot of people outside the shop and visit quite a few dealers, for news of course, but also because they give me a hand while on the road. And sometimes my professional and personal errands end up in interesting discoveries that […]

JIMS Twin Cam Engine and Trans Plug Kit

A product placement – plug – for a plug kit to eliminate the entry of dirt, dust and unwanted parts during an engine or transmission re-build. This new JIMS® Twin Cam Engine and Trans Plug Kit is preferable to hunting random rags and tape to protect your open ports, bores, holes, fittings and passages. You […]

Newton Air Cleaner

If motorcycles would have existed during the 17th century, Sir Isaac Newton, probably the greatest genius who ever lived, would never have had any difficulty to figure out all calculations, of course without a CAD program, to machine this total 3D Air Cleaner. “Motus Calculus”! Made by Italian parts designer Rebuffini Cycles, well known for […]

Spyke Inc. Acquires STD Development

Spyke Inc, the company well known for its high torque starters & numerous electric components, has acquired STD Development a specialist in complete high performance engines, cases, heads, cylinders and driveline components  for V-Twin motorcycles. The deal includes the brand name, the good will, all inventory, all CNC machinery, tooling, etc. It was years that STD Development was […]



Cyril Huze