August 21, 2015

Welcome to Moped Tools. Prices in green are new, dark green is good-used. N/A means not available.


Tire Tools

Tire levers

Tire levers
for removal or install
10 inch, tool steel
00000 set of 2 $18

Quick stick

Quick stick
for tire install only
for sliding, not prying
61149 6 inch Teflon $5

Air Pump

Air Pump
hand floor model 20″
4355 orange $18







Wheel Tools

Park cone wrench

Thin “cone” wrench 15mm
for most moped wheels with
 cones and loose bearings
 6170 Park SCW-15 $10

Thin wrench 36mm

Thin wrench 36mm
for Vespa rear wheel
custom $18

Spoke wrench round

Spoke wrench round
for all bicycle spokes
6127 8-slot $5

62194 pedal wrench 15mm Park PW-5 $10

Spoke wrench motorcycle
for all motorcycle spokes
 15-1521  6-slot   $8








Park pedal wrench

Thin long wrench 15mm
semi-thin, for pedals
62194 Park PW-5 $15
000000 substitute $12

Myrons pedal wrench 15mm

Thin long wrench 15mm, for pedals
000000 Myrons $10








Spark plug wrench

Spark plug socket-wrench
13/16″ hex (21 mm)
34-2111 9 inch long $10

Plug wrench

Plug wrench 2-piece $6

Spark plug sockets 21 19 16mm

Spark plug sockets (in mm)
21 (13/16″) for 14mm NGK B6HS
19 ( 3/4″ ) for 12mm NGK D6HS
16 ( 5/8″ ) for 10mm  NGK C6HS









Holder Tools

Piston stop

Piston stop

The piston stop keeps the piston from rising all the way up, and thus prevents the crankshaft from rotating. When the piston is parked against it, the crankshaft nuts can be tightened (or loosened) to the proper torque. Without it the crank nuts cannot be fully tightened or loosened. There are also holder tools that fit into the windows in the flywheel. They perform the same function as a piston stop. A piston stop works on any engine with a straight spark plug, not angled, like most two stroke engines have.  


Morini flywheel holder

Morini flywheel holder

Morini sprocket holder

Morini sprocket holder








Piston Tools








Pullers (Extractors) – External Threaded

Flywheel puller M17-1.0 deep for Vespa

Flywheel puller M17-1.0
deep for Vespa/Piaggio
5255 Buzzetti $22

Flywheel puller M19-1.0

Flywheel puller M19-1.0
for CEV, Dansi (Italian)
15-0616 D. S. USA $25

Flywheel puller M20-1.0 for Peugeot

Flywheel puller M20-1.0
for Peugeot 102, 103
69254 Buzzetti $22








Flywheel puller M22-1.5

Flywheel puller M22-1.5
for Bosch and others
0000 Buzzetti $22

Flywheel puller M24-1.0

Flywheel puller M24-1.0
for Motobecane clutch
 62-2051 D. S. USA $25

Flywheel puller M26-1.0

Flywheel puller M26-1.0
for Motobecane (Novi)
0000 D. S. USA $25









Flywheel puller M26-1.5

Flywheel puller M26-1.5
for Bosch and others
62-2002 D. S. USA $25









Timing Tools

Timing tools5  vintage dial gauge timing tool   N/A
6  modern dial gauge timing tool  N/A
7 + 8 timing tool Peugeot 69258 N/A
    the 69258 requires a feeler gauge
9  vintage timing tool xxxxxxxxxx $45
10 vintage timing tool Motobecane N/A
11 vintage timing tool xxxxxxxxxx $40
12 vintage timing tool xxxxxxxxxx $35



The Timing Tool is actually a Piston Position Indicator Tool. It tells you where the piston is at, in the range near top. You need to know exactly how far the piston is from it’s highest point (TDC). where Moped engines fire the spark plug when the piston is 1.5 to 2.0mm before top (TDC). That’s the moment when the points open, called the ignition timing. When you loosen the points mounting screw, they can shift, and change the ignition timing. Then you have to adjust the “gap” so they open at the correct moment, which is specified in either piston position (mm) or crankshaft angle (degrees). Vespa and Peugeot set to 1.5mm (0.060″) BTDC, Puch, Motobecane, Tomos, Derbi and others, set to 2.0mm (0.080″). Do not confuse piston position with points gap, which is 0.35mm (0.014″) to 0.46mm (0.018″). A wider points gap will cause an earlier (advanced) ignition timing. A smaller points gap causes a later (retarded) ignition timing. Using a timing tool in the spark plug hole is more accurate than any other method.




Peugeot Tools


Peugeot piston pin press

 Peugeot Tools 1





Peugeot Tools 2



















Red part numbers are shown, black are not shown.

part #  price   description and purpose  

68048 N/A Decompressor pin riveting tool
68049 N/A 1.5mm feeler gauge
68457 N/A PEUGEOTEST test light for continuity of points and wires
68460 $25 Clutch drum holding strap
68467 $40 Tool for mounting and removing wrist pin
69079 $08 10mm socket FACOM made in France
69083 $14 16mm socket FACOM made in France
69084 $10 17mm socket FACOM made in France
69085 $10 21mm socket FACOM made in France
69092 N/A Snap ring pliers (original)
69097 $45 Crankshaft extractor
69098 $18 Crankshaft end protector (for M10x1 end)
69104 $18 Torque handle for extended nut (installing crank)
69105 $10 Extended nut attachment for crank installation M10-1.0
69106 $10 Extended nut attachment for crank installation M11-1.0
69107 $10 Ext. nut attachment M12-1.0 (not for Peugeot 103)
69108 $15 Left crankcase guide
69109 $15 Left crankcase drift
69110 $15 Left crank seal guide sleeve
69111 $20 Right crankcase base
69112 N/A Right crankcase guide for the seal
69113 $13 Right crank seal guide sleeve
69114 $15 Right crankcase drift
69115 $18 Right crankcase guide for the bearing
69137 $08 Stepped spacer for installing the crank at the proper angle
69140 $15 Cutaway clutch drum for testing lining clearance
69141 $18 Clutch assembling stand for testing lining clearance
69142 $10 Knurled nut M11x1 for holding clutch while removing pulley
69143 $15 Tapered sleeve for resetting crank into clutch
69145 N/A Special grease for clutch balls
69151 $12 Base for holding oil seal sleeve 69110, while replacing clutch side seal
69153 $18 32mm socket FACOM made in France
69158 N/A Gas tank sealant
69254 $35 Flywheel extractor (original made in France)
69255 N/A Bench mounted engine support
69256 $18 Wrist pin centering tool for installing the pin
69258 N/A (see above) Ignition advance timing tool – see Ignition Timing Tools
69259 $12 Driving pulley holding tool
69260 N/A Engine support spring compressor rod
69646 $35 Rotor holding wrench for magneto
69802 N/A Torque wrench with reducer and lengthener


Peugeot Tools

Peugeot (moped) tools at Myrons Mopeds in July 2016


Solex Tools

Solex tools
















Motobecane Tools

Motobecane Tools (2)












Jet Drills

January 27, 2007

Above, a Tomos A55 idle jet (M4 thread) is physically bigger than a Puch Maxi main jet (M3.5 thread), but the hole size is much smaller. The photo shows how the #25 jet, 0.010" (ten thousandths of an inch), will allow the thinner wire of the wire wheel to pass through the hole, but not the thicker wire of the wire brush. This is a useful cleaning technique.

Above, a Tomos A55 idle jet (M4 thread) is physically bigger than a Puch Maxi main jet (M3.5 thread), but the hole size is much smaller. The photo shows how the #25 jet, 0.011″ (eleven thousandths of an inch), will allow the thinner wire of the wire wheel to pass through the hole, but not the thicker wire of the wire brush. This is a useful cleaning technique.

This will help you visualize how small these drills and jets are!

Moped main jets range from 0.018″ (#77 drill) to 0.026″ (#71 drill). 

Moped idle jets, like Tomos A55, are 0.011″ (smaller than #80).

An average human hair is 0.003″ (three thousandths of an inch).

So moped jet holes are 4 to 9 hairs wide!

Shauns well used jet drill container from the 1980's

Shaun’s well used drill container from 1987


Jet Drills: All through the late 1980’s and 1990’s, Shaun (at Royal Cyclery and later at Myrons Mopeds) used the USA-made jet drills to service carburetors. The drill sizes are an American wire gauge. They did not vary in size. Those 20-piece Drill Sets 61 to 80, cost $40 in 2015, $33 in 1998. and $29 in 1987. Some are in clear plastic round dome containers, and some are in conventional metal drill set boxes.


Drill Set 61-80 USA-made

Drill Set USA-made

Jet Drills made in China

Set 1 China-made

China-made Drills: In the 2000’s there were many China made tools sold in “surplus” tool stores. The China made 20-piece Drill Sets 61 to 80, sell for $7 to $10, or one fourth as much. They have an excellent blue plastic container, that only lets out one at a time. But the drill sizes are all wrong. From about 2010 to 2014, Myrons Mopeds sold these inexpensive drill sets, not knowing that the drill sizes were inexact, to say the least.

So although the China sets cost one forth as much, they only have about seven or eight different sizes, and they lack the smaller sizes below 0.4 (or sometimes 0.6) mm. Each set is different.


Jet Drills made in USA

Jet Drills made in USA

Set 2 China-made

Some have poorly made drills, twisted funny, bigger at the cutting end, or lumpy, varying in thickness. Some have poorly made cutting tips, so they might wander, grab and break, or not cut well.

Despite the poor quality and inexactness, the inexpensive drills are still useful for cleaning purposes, but not for measuring and maybe not for drilling. Fortunately, brass carburetor jets are the easiest thing to drill, with a drop of oil and a pilot hole already there.



Micro Drills and Wires for Sale Individually

These drills are measured at the shank (the smooth part). At the cutting edge they are 1 or 2% bigger.

These wires are steel guitar strings, cut into 5 inch lengths. 

“Metric” jets have a number that literally means hundredths of a millimeter, so a 64 jet is 0.64 mm.

Micro Drills for sale

inch   mm/#  price     moped jets that it cleans
0.011   wire     N/A Gurtner Motobecane diffuser – two idle holes (.013)
0.0135 #80  $3.50
0.0145 #79  $3.50
0.0157 0.40  $2.00 Dellorto 38 (.0162), Bing 42 (.0162)
0.016   #78  $3.00 Dellorto 40 (.0168), Bing 44 (.0167)
0.017   wire  $0.50 Dellorto 42 (.0177), Bing 46 (.0175)
0.018   #77  $3.00 Dellorto 44 (.0186), Bing 50 (.0188)
0.019   ——  $1.50 Dellorto 46 (.0194), Bing 52 (.0194)
0.0197 0.50  $1.50 Dellorto 48 (.0202), Bing 54 (.0200), “Metric” 51 (.0201)
0.0200 #76  $1.50 Dellorto 49 (.0207), Bing 56 (.0206), Gurtner 210=52 (.0210)
0.021   #75  $3.00 Dellorto 51 (.0215), Bing 58 (.0213), Gurtner 220=54 (.0220)
0.0225 #74  $1.50 Dellorto 55 (.0231), Bing 62 (.0229), Gurtner 230=56 (.0230)
0.023   ——  $1.50 Dellorto 56 (.0235), Bing 64 (.0234), Gurtner 240=58 (.0236)
0.0235 0.60  $1.50 Dellorto 58 (.0242), Bing 66 (.0239), Gurtner 250=60 (.0242)
0.024   #73  $1.50 Dellorto 60 (.0247), Bing 68 (.0248), “Metric” 63 (.0248)
0.025   #72  $3.00 Dellorto 62 (.0255), Bing 70 (.0254), “Metric” 65 (.0256)
0.026   #71  $3.00 Dellorto 66 (.0268), Bing 74 (.0267), “Metric” 68 (.0268)
0.0275 0.70  $1.50 Dellorto 70 (.0280), Bing 78 (.0280), “Metric” 71 (.0280)
0.028   #70  $1.00 Dellorto 72 (.0287), Bing 80 (.0287), “Metric” 73 (.0287)
0.0292 #69  $2.50 Dellorto 78 (.0306), Bing 84 (.0301), “Metric” 77 (.0303)
0.030   wire     N/A Dellorto 80 (.0312), “Metric” 79 (.0311), Gurtner K80 (.0311)
0.031   #68  $1.00 Dellorto 82 (.0318), “Metric” 81 (.0319)
0.0315 0.80  $1.00 Dellorto 84 (.0324), “Metric” 82 (.0323)
0.032   #67  $0.75 Dellorto 86 (.0331), “Metric” 84 (.0331)
0.0325  —— $1.00 Dellorto 88 (.0337), “Metric” 86 (.0339)
0.033   #66  $2.50 Dellorto 90 (.0343), “Metric” 88 (.0346)
0.034   wire     N/A “Metric” 90 (.0354)
0.035   #65  $1.00 “Metric” 92 (.0362), Gurtner MB (side mount) diffuser (.0358)
0.0354 0.90  $1.00 “Metric” 94 (.0370)
0.036   #64  $2.50
0.037   #63  $2.50
0.038   #62  $1.00
0.039   #61  $0.75
0.0394 1.00  $0.75


Deluxe 40-piece Micro Drill Set

Jet Drills 80-72 and 71-60

Myron’s Mopeds two case deluxe micro drill set, 80 to 72 (small) and 71 to 60 (large) plus many in-between sizes.
Price $45

Slide clear top plastic until hole is over drill (and pointer is on desired drill number). Only lets one drill out at a time. Never take out more than one at a time, or they can get mixed. The case keeps them organized. If any get lost, dull, or broken, individual drills can be bought at some hardware stores for $2-$4 each.

Useful for sizing to tell how big a jet really is (sometimes they’re drilled out or labeled wrong).

Useful for cleaning varnish or corrosion coating the inside of an old jet. It doesn’t really clean out any other way. The drill is used as a file, held with a needlenose pliers.

Useful for drilling jets to make a new size, as an alternative to buying ones. The drill is held with a needlenose pliers, and the jet is rotated with your fingers, with a drop of oil. To go down in size, fill the hole with solder and re-drill it smaller.




Other Tools for Cleaning Jets

Using a micrometer to measure a 0.017 wire

Using a micrometer to measure a 0.017″ wire

Guitar steel string 17 thousandths of an inch

Guitar string

Guitar Steel Strings in the smaller sizes are excellent tools for cleaning small holes. Here is a 0.0170 inch steel wire guitar string, perfect for cleaning out a 1974-85 Tomos stock jet size 46 that has a 0.0175 inch hole. A Honda Express NC50 (Keihin) carburetor, has a long brass idle jet tube with a tiny jet hole at the far end, too far for a drill to reach. For that, only a 2 or 3 inch piece of 0.010″ steel guitar string will reach to clean it. Ultrasonic cleaners, carb spray, or soaking are not effective for that. Other examples are a Sachs 52 jet 0.0190 would be cleaned by a 0.018″ wire, or a Motobecane 230 jet 0.023″ would be cleaned by a 0.022″ wire. The wire has to be a little smaller than the hole. Plain steel strings range from 0.008″  to 0.017″ in steps of 0.001″. Wound strings range from 0.017″ to 0.065″. 


Torch Tip Cleaner Set

Torch Tip Cleaner Set

Root Canal Files

Root Canal Files (say ahhh)

Welding Torch Tip Cleaners are another excellent tool for cleaning small holes. The tip has a cutting surface but not the sides. So it is made to clean the hole without widening it.

Wire Feeler Gauge Sets: There are also wire gauge measuring sets that look the same as the torch cleaner set shown.

Dentist’s Root Canal Files are also good for cleaning small holes. Color coded files range from 0.06 to 1.10 mm (0.0024 to 0.0433 inch).