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Spec CycleKart Parts List

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smcameron Stephen Cameron
Santa Clara, CA, USA   USA
Somebody asked me for this, so I spent a little time making a list.
I figured more than just the person who asked me might be interested.

Here's a list of the parts I used in my cyclekart, building to the "Stevenson Formula" specification as described at:

Although I did my best, this list might not be totally accurate, you'll
want to be careful to double check in case I screwed up something.


I used a half of two sets of buggy seat springs that I got from this guy:

However, I don't see any buggy seat springs there now, so you might have
to hunt around for another source.

Front Axle:

Made from 1 5/8th inch steel tubing (actual measured outer diameter -- be
careful the nominal dimensions of tubing and esp. pipe do not necessarily
correspond to the actual dimensions for apparently weird historical reasons.


Got these at Autozone. They are meant for exhaust systems.

They are a pretty tight fit on the 1 5/8th axle. I had to fabricate
the corresponding steel plate with 4 holes to clamp the axle and
springs together. The nuts for the u-bolts are specially made to bite
into the u-bolts, so once you tighten them, you shouldn't loosen them
and retighten, if you have to take it apart, get new nuts and ubolts.

Kingpins and Front Spindles, Spacers:

I got left and right, part nos. 2516 and 2517 from this page.
3/4th inch axle diameter, 6 inch spindle, left and right.

Also got 2 each of part number 8361 3/4th inch inner diameter 1.25 inch
steel spacer.

Front wheel bearings:

10 count of Dayton 6904zz bearings from

The inner diameter is slightly too large for the 3/4th inch spindles,
so needs some shimming. I used aluminum flashing material, which is
not the best, but seems to work ok. Stainless steel would be better,
but I wasn't able to form it into the right shape.

Steering column, pitman arms, flange and hardware for mounting steering wheel:

Part no: 1868-34 from this page:
34 inch shaft kit, arms not welded.

Steering rods:

I got 2 of these from northern tool, longer than I needed and
cut them down to length and threaded the endes with a die. I
don't see them on the NT website now, but I think these are the
same, more or less: part no 1843-24 on this page:

24 inch 5/16th, cut them down to the needed length and thread them
yourself. The exact length you need will depend on your kart of

Brake pedals, brake control rod:

Custom fabricated. Brake rod is 5/8th inch steel rod, IIRC.
You want something pretty beefy and *straight*, any bends
in the brake rod will show up as mushiness in the brakes.

Brake caliper and disc:

Airheart mechanical go-kart brake caliper:

Disc I think is this one:
(couldn't find it at northern tool)

It's a little confusing because the disc and caliper are sold
separately, but the pictures always show them together, and it's
not always clear if they're selling the disc or the caliper.

Rear axle:

Part no: 1401-36 from this page:
36 inch standard end (2-inch, 1 3/8th threaded.)

Rear axle bearings and flangettes:

I believe I got kit #1861a from this page:

Which contains:

1" Axle Bearing (2)
Bearing Hanger (2) <-- I didn't use these.
* Instead, I drilled a big hole through the frame rails and mounted the flangettes to the rails.
Flangette-2 Hole (4)
Bolts- 5/16-18 x 3/4 (6) or (4)
Locknuts- 5/16-18 (6) or (4)
Axle Locknuts- 3/4-16 (2)

Throttle cable:

For this I used a bicycle brake cable for a tandem bicycle
that I got from a bike shop. I could not find a cable long
enough anywhere else.

Rear wheel hubs:

2 of these:

Rear wheel lug bolts and nuts:

8 count 1/2 inch diameter 4 inch long --> grade-8 <-- steel bolts and corresponding nuts.

Engine mounting plate:

Part 8190 from this page:
5x12 inch flat plate with slots for engine bolts.,_fenders,_plates,_%26_accessories.htm

I ended up having to modify mine a bit (make the slots a little longer).

Go kart muffler kit:

I used the "MAKE YOUR OWN KITS & BENDS" kit on this page about 3/4ths of the way down.
(It doesn't seem to have a part number)

MAKE YOUR OWN EXHAUST KIT for gx200. It doesn't come with a muffler,
just pipes. I just welded the pipes onto the back of the stock
honda gx200 muffler just to route the exhaust out of the engine
compartment, so didn't need a muffler.

Kill switch:

I just use a pretty heavy duty switch from Autozone. (First switch
I tried wasn't big enough and the spark would jump preventing the
engine from starting.)

Frame rails:

1x3 inch rectangular steel tubing. 16 gauge, I think.

Torque converter:

Comet tav-30 torque converter. Not made by comet anymore, but GTC makes them.

Sprocket and chain:

10 tooth sprocket.
12 inch 72 tooth drive sprocket.
Hmm, I don't remember which kind of chain I have...

Chain breaking tool:

Get this from motorcycle shop. You want this kind:

You do not want this kind:

Misc locking collars for rear axle:

I think I got 6 of part no: 8557 on this page:
1 inch inner diam. 1.75 inch outer diam. split locking collars, steel. 1/2 inch wide, 1/4th inch keyway.

Key Stock:

Some amount of 1/4th inch key stock

(for the keying main sprocket, brake disc, right rear wheel hub to the rear axle.)

Hope that helps.

-- Steve

Edited 4 time(s). Last edit at 2014-02-18 03:58 PM by Skye.

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Dennis Thomas Avatar
phoenix, AZ, USA   USA
1919 CycleKart Lightweight "A.V. Monocar"
1925 CycleKart Speedway Racer "Old Number 27"
1930 CycleKart German "The Boulevard Cruiser"
1937 CycleKart American "37 Studebaker Modified"
Hi Steve, Thanks for taking the time to post this list of goodies. That was a great idea to provide all of the links to the parts. This should be of great intrest to the guys who are building and the guys that are working on plans. Nice job Steve!

Link to Cyclekart videos

Link to Old #27 build photos

Link to Monocar build photos

Link to BMW Roadster build photos

Link to my Facebook page

DavidMGA1600 Avatar
DavidMGA1600 David Lake
Gold Coast, Queensland, Australia   AUS
1960 MG MGA "Dads Car"
1961 CycleKart Race Car "Team Ferrari"
Thanks for compiling the list of parts and comments for your CK build, it will be a huge help for future builders



1960 MGA 1600 Convertible,
Gold Coast, Australia.

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Rhysn Rhys Nolan
Tamworth, Staffordshire, UK   GBR
Just had a look at this, could I suggest it be made a "sticky" and stay at the top of the front page, like the videos and drawings?

DavidMGA1600 Avatar
DavidMGA1600 David Lake
Gold Coast, Queensland, Australia   AUS
1960 MG MGA "Dads Car"
1961 CycleKart Race Car "Team Ferrari"
I wrote to GTC manufacturing and here is their response,
"1002 TC2 Torque Converter" 3/4" Bore, #40/41P, 10T, 2-7hp Engines
Replaces Comet 218353A TAV2 30-75 Torq-A-Verter.

Dear Customer,
Thank you for your interest in GTC products. Any of The following dealers should be able to assist you: (can ship Internationally)

Thank you,

GTC Manufacturing


1960 MGA 1600 Convertible,
Gold Coast, Australia.

Edited 1 time(s). Last edit at 2013-04-28 04:38 PM by DavidMGA1600.

Skye Avatar
Skye Webmaster Skye Nott
Vancouver, BC, Canada   CAN
1964 Vespa VNB 125
1966 MG MGB "The Bomber RIP"
1983 Suzuki MC GS750E "Kate"
1986 Merkur XR4Ti "The Rally Car"    & more
Sure, stickyfied!

Thanks for putting this together Steve

Webmaster, The CycleKart Club

Member Services:
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carChips Avatar
carChips Victor Harnish
Kelowna, BC, Canada   CAN
1933 MG Magnette
1973 Triumph Spitfire 1500 "Chip"
1989 GMC Sierra 1500 "Bush Truck"
I've found these guys pretty reasonable for shipping to Canada, maybe other countries too.

They have most of the Azusa parts.

S'all for now!

Mantua Avatar
Mantua James M
Beverly Hills, MI, USA   USA
For buggy springs, I used Justin Buggy in Michigan. You have to hunt through their site to find, but they have 24" and 36" seat springs available. $50-$60 per set.

NateKartiste Nate Sawyer
Port Orchard, USA   USA
1903 CycleKart French "Mors Dauphin"
1926 CycleKart Racing "L'etranger"
This wouldn't quite match other Cyclekart wheels because of the small hub, but look at this, no modification required!

If anyone could find an actual site besides eBay that sells these, it might be worth archiving. I think I'll get a pair.

Rhysn Rhys Nolan
Tamworth, Staffordshire, UK   GBR
Why do you say the hub is a problem? These are designed for the axle supported on one side only and the 20" is overall diameter. Close to ideal I would have thought?

NateKartiste Nate Sawyer
Port Orchard, USA   USA
1903 CycleKart French "Mors Dauphin"
1926 CycleKart Racing "L'etranger"
Oh, I meant that it just visually wouldn't match the CT-90 wheels ebcause the hub is smaller. But yeah, they seem pretty much perfect to be Cyclekart front wheels!

chanito Juan Mansilla
Miami, USA   USA
This is my source of springs
That is the part I have the most trouble finding, and after some research it is the best suited for our needs

SevenTurbanBourban Avatar
SevenTurbanBourban Christobal Welchissimo
Auburn Hills, MI, USA   USA
1934 CycleKart Custom "Type-69"
1938 CycleKart Race Car "Rotten Tuna"
Everythingcarts sells 80s club-car springs for $36. it will hold over 500 lbs under compression all day long.

Here is a link:

its on the front of our mule kart and works great.

Bugatti Type-69 build page

20131019-214823831.jpg    32.7 KB

carmelmike Avatar
carmelmike Michael Stevenson
Carmel, CA, USA   USA
1925 CycleKart French "Delage"
1933 CycleKart Italian "Whitney Straight Maserati"
1934 CycleKart American "Brannon Special"
1934 CycleKart French "Bugatti Type 59"    & more
Nice job on the C-K parts list...

jr74ford Avatar
jr74ford John Ross
Oxford, Christchurch, New Zealand   NZL
For you guys in the Southern Hemisphere you may find useful. They are making my leaf springs to order exactly how I specified including an eyelet at each end for just $26NZ each. Anton was extremely helpful.

Good luck, J.R.

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