Category Archive Peugeot 103 big bore kit


Peugeot 103 big bore kit

Why not? Before riding the bike on the streets I need to do a complete engine checkup after 5 races on the track. The engine is a As you can see nothing crazy there just a very nice job on the exhaust porting and the malossi cases barely ported with minimal aluminum removed to match the Bidalot cylinder ports.

Screamin' Eagle Twin Cam Stage IV Kit - 103CI to 103CI

Special crank lubricating holes added to the cases and guides inside each half for a perfect alignment. Guide also added to the h20 head for perfect alignment with the cylinder. Some extra horsepower on mopeds can be gained or at least not lost with a light chassis, zero resistance for spinning parts or brakes, good lubrication and alignment, tire pressure, engine proper cooling system, aerodynamic fairings, vegetarian diet plan… lol, etc….

Or functioning pedals makes anything a legit moped no matter what the engine size? The engine is half way rubber mounted with the custom engine spring but I need to finish the job to get rid of all the vibrations causing the exhaust springs to break at high rpms. The Bidalot high quality needle cage bearing is recognizable by its blueish color.

The multiple new base gaskets worked fine instead of an aluminum raiser not available at the time. The crank shifted a little off center inside the cases probably due to the heat at high rpms on the track but no worries there everything feels tight.

Disassembling an engine after few races is important to prevent any mechanic failure or horsepower loss, and gives a good reference point on the parts wear after a certain amount of miles or time spent on the track, it helps with scheduling the next checkup.

Time to change the piston ring to regain between 1 to 2 hp. I measured the transfers and exhaust port duration in degrees set with pretty high numbers based on Gr2 specs but close to Gr3. That engine looks really clean after 5 races and stayed reliable because of a conservative porting and restricted rpms taking no chance to break the 16mm peugeot crankshaft also very thin on the variator side.

To win races, you have to compromise but also adjust after each race and make changes according to your competition on the track. Moped racing in Oregon. I may have to save money and drive all the way up north once or twice a year to have fun with those fellow racers.

Jeffrey is building a new engine for his black moby next year based on my Gr1 50cc setup and also building 2 or 3 extra loaner bikes for anybody who would want to try moped racing in France, Team Remi Cusso vintage Bidalot RS 50cc race moped in action beating the modern Japanese, Italian, Spanish 50cc 6 speeds race bikes during an open practice round in the south of France Championship 1st race of the season last April.

I was actually at the race and witnessed the power of those 50cc 18hp mopeds, it was so impressive.Get Full Details. Orders of any amount can be returned for free by mail or in store, for any reason, within 45 days of the shipping date. Part Number The kit increases the displacement of your Twin Cam-equipped model from 96 cubic inches cc to cubic inches cc. Installation requires separate purchase of Primary Cover Gasket.

All models require ECM calibration for proper installation. Bike not listed? Select your year and model to see all the parts that fit your bike.

peugeot 103 big bore kit

Installation of automatic or manual compression releases on large displacement engines is highly recommended. Installation of California performance kit onto a state model motorcycle or a state performance kit on a California model motorcycle will void manufacturers warranty, as it will not result in a street compliant configuration.

All rights reserved. We do not currently ship to Hawaii, P. Gift cards and taxes do not qualify toward the minimum purchase requirement. View all bikes this part fits. Add to Cart. Add to Wish List. Live Chat. Select SELECT. Model Model. EPA compliant for sale and use on all applicable vehicles, including those that are pollution controlled. Screamin' Eagle Performance products are intended for the experienced rider only. Note Installation of automatic or manual compression releases on large displacement engines is highly recommended.

Caution Installation of California performance kit onto a state model motorcycle or a state performance kit on a California model motorcycle will void manufacturers warranty, as it will not result in a street compliant configuration.

Dealer Install Recommended. Big bore cylinders, big bore flat top pistons and rings, SE cams, stage I air cleaner kit with one-piece back plate, top end gasket kit, and heavy duty clutch spring.Large header, and a big exhaust port help make this pipe a great all around performance exhaust.

The expansion chamber on this pipe gives your basic stock engine some tuning that will give you a top speed boost. T This pipe is also great as a replacement for your old clogged muffler.

To gain maximum performance, upjet slightly, and or add a larger carburetor or big bore kit. All Chrome, and excellent construction.


For more tuning information check out Garagethe worlds largest Moped Database. Here are some great builds using the Tomos A35 Bullet. You can use Garage as a starting point for figuring out which carbs, and tuning you might want. A performance pipe classic, this exhaust will bolt up to your Puch engined moped. This is version is a silver tipped update.

This works on all Puch based mopeds after except the Puch Magnum. This pipe is also great as a replacement for your old clogged muffler.

This pipe is designed to work with Puch engines, in E50 and ZA50 models. It will not necessarily mount to your Puch frame perfectly. Some frames will require a little adapting, but nothing more advanced than a metal bracket.

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There are ton of builds using this pipe on Garagethe worlds largest tuning database. Go check them out and get inspired here.

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Here are some great builds on Garage of Tomos Mopeds using the Biturbo. Tomos Builds. All the ripping low end of your Proma or Technigas underbody exhaust now availble in a brand new 77 exclusive pipe. Fits all you Maxi Magnum Freespirit Puch riders. You may want to add a couple tack welds for insurance. The Jammy is a super cheap basic pipe for your entry blasting needs.Made by DMP.

Features 6 transfer ports. Includes everything you see. This kit is pretty popular on Garagethe worlds largest Moped tuning Database.

The K-Star kit is known around the world, and known by many names. Here it is: no gimmicks, no nicknames, just a great kit in its naked form.

Small cost, with big performance, this kit is great for beginners and for the expert tuner. You can leave it mostly alone, clean up the ports, or port it like a Metrakit.

Sorry, no gaskets with this one. Lots of folks are running this kit on Garagethe worlds largest Moped sharing website. Check out these K-Star builds here.

Cheap thrills for you honda hobbit fans. Big transfers, decent sized ports. Should be a ripper for sure. Transfers look to match the case, but open them up and open up the cases for secret hidden power. Also, for perfect port timing, pick up this spacer kit.

Crazy cutaways on the piston reduce the weight, and super thin rings reduce friction on the piston wall. Includes everything you see here:.

Check out how this kit is being used on Garage. The worlds largest Moped Tuning Database. Here are some Honda builds featuring the Alu-Kit.

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Tomos technology brought to the Puch. This is the same bolt pattern as the Tomos intake, the Polini 4 Petal, and is pretty much the standard in reed intake mounts for mopeds. The big kicker on this kit is the fact that it has the flat exhaust port, which allows the mounting of any Puch exhaust.

Mount this up and rip! For inspiration on builds with this kit, check out Garage. The worlds largest Moped tuning database.

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Here are some great Puch 70cc Reed Kit builds. The Parlini also goes by other names on other sites. Spanish power! Bringing one of the first new kits to enter the scene in a long time, Airsal steps its game up and delivers a bold new design for the A55 model Tomos. This kit is meant for a Tomos A55, but it also will bolt right up to a Puch engine.

Unlike the Metrakit and Gilardoni 45mm kits, this Airsal does not require case-boring to fit to the engine. It is still a magnum style cylinder though, and will require an exhaust built with a angled mount in mind, like the Homeot 8p. A55 owners will be able to bolt up their stock equiptment, although it is not recommended. If you are getting this kit, you will want to get the carb upgrade kit at least, a performance exhaustand maybe some new sprockets.Nice budget throttle option for savvy folks looking for the cheap alternative.

This includes a grip yay! Round black headlight with chrome rim for all mopeds. The socket in this head light uses an dual filament bulb. Only works with Awesome upgrade carb for most bikes. Slap this on your motobecane, peugeot, puch, minarelli, garelli, sachs, morini or tomos and forget about it. This is the click choke version.

peugeot 103 big bore kit

New brake shoes for your puch spoke wheels and mags, and moby or peugeot spoke wheels. OMG brand petcock for motobecane mopeds. Black domino style rear brake lever assembly with bonus grip already installed.

Super low profile assembly for a nice clean look on your bars. Spring loaded plastic brake lever, brake lever is about 5.

peugeot 103 big bore kit

Works on Peugeot and Motobecane and also some italian gas tanks. Take note you may have some clearance issues on MBK with the outlet nozzle coming close to the pulley.

Modern style buddy seat for Moby and puegeot! This uses a seat post clamping system so you can probably use this on your puch or other similar bike! Just double check your seat post situation! Stock tail light. This came standard on lots of bikes including puch and tomos. Fit this on pretty much any moped ever! This uses 2x single filament bulbs. Super nice quality superman shape tail light for letting the folks behind ya know you're there.

Super heavy duty universal ignition condenser for wiring externally. Get some new connectors if you need them. Top of the line quality brake shoe from EBC.Meanings: D is the cylinder diameter that the ring would have a 0. All rings are for 50cc engines, unless noted.

peugeot 103 big bore kit

Two stroke cylinders have holes or ports that the ring ends can snag on. So two stroke rings are pinned to the piston. Knowing about those pins is important when installing. A calipers is the best tool to measure the bore ring diameter and ring thickness. Sometimes your rings might not be original, for many reasons. The piston might be aftermarket with thinner rings. The cylinder might be bored out to an oversize bore.


Some mopeds came with more than one piston size or ring style. Break a ring, how not to: Two stroke pistons have little pins stumps, bumps in the piston ring grooves that prevent the rings from rotating. Measuring wear : A new piston ring is a the best tool to measure how worn a cylinder is.

A new ring in a new cylinder should have a very small end gap of. A worn but still OK cylinder with a new ring will have a gap of. A worn cylinder and ring both will have an end gap of over.

You measure ring gap with a feeler gauge. If you try to squeeze a piston ring into a circle with just fingers, it inevitably becomes a very rounded polygon, or at best an ellipse. So the measurement becomes inaccurate. From top to bottom, Each ring increases in diameter by 0. Here the inside of an old fishing pole tube is Ducati style CDI box plus ignition coil with spark plug wire. Convenient all in one package for late model Vespa CDI mopeds.

Includes roughly 13" spark wire. Tomos 11mm metal speedo drive unit for A3 mopeds. Can also be used on most snowflake mag wheels and other Grimeca mag wheels found on Puch, Sachs and others. Accepts 2mm cables. Left Hand side mounting. Will also fit the Kinetic Magnum. Dimensionsmm wide8mm highmm Long. Left Hand "d" style drive unit. Right hand Fitment. This is for the float bowl.

Puch Maxi headlight fairing decal. Blue or black. Two part kit for Sachs mopeds. Sachs mopeds come in many varieties, you may need to fab a mount, not hard. This exhaust kit is for the Left side.

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Includes:Expansion chamberHeader pipeClamp secures header Replacement Vespa Piaggio gear box gasket. Will fit Kinetic as well. Allows the use of a universal type exhaust for models that normally have no options. New tank decal set for Puch Maxi, Newport, nostalgia or any custom project. Dimensions:Each sticker is about 8" long x 1" wide. Checkered flag tank decal set for Puch Maxi, Newport, nostalgia or any custom project. Works on many Motobecane mopeds and any custom project you want.

Motobecane This version has the decomp hole. Original Kinetic air box clamp. Will fit Vespa Piaggio mopeds.

Harley-Davidson 110ci Bolt On Kits

Opens to Closes down to 52mm. Created with Sketch. Toggle menu. Gift Certificate Login or Sign Up 0. Crankshaft Cylinders Pistons.

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Yojin Posted on10:12 pm - Oct 2, 2012

Ich bezweifle daran nicht.