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DGH posted a reply in the CycleKart Tech Forum 41m 30s ago
Re: Wheel bearings on C90 wheels (5 posts)
Perfect. Thanks. All the best. David
Rhysn posted a reply in the CycleKart Tech Forum 1h 41m ago
Re: Wheel bearings on C90 wheels (5 posts)
In that case David you really want to ask questions from the seller. You want to get wheels where the outer diameter is 35mm. Others have 37 mm and the variety of bearings is very limited. Most people who us metric bearings also...
DGH posted a reply in the CycleKart Tech Forum 11h 24m ago
Re: Wheel bearings on C90 wheels (5 posts)
Ok, thanks. Haven’t bought the wheels yet and looking to increase the axle diameter
Rhysn posted a reply in the CycleKart Tech Forum 11h 27m ago
Re: Wheel bearings on C90 wheels (5 posts)
There are several diameters. Step one, measure the diameter of the outer bearing you now have, as there are at least 3 of those. Insufficient information to start with will lead you you to bad information.
Wiseman created an account from Mount pearl, St John's, Canada   CAN 14h 19m ago
Welcome to The Cyclekart Club, Christopher!
Moinsen posted a reply in the CycleKart Tech Forum 19h 35m ago
Re: Remote manual choke? (43 posts)
Basically it is an electromagnet (ring coil) with a plunger in the center. If voltage is applied to the coil, the plunger moves. Everything that is connected to the plunger moves accordingly (levers, pins, pistons, etc.). In the...
dandeangeli posted a reply in the CycleKart Tech Forum 21h 7m ago
Re: Remote manual choke? (43 posts)
That is very interesting. Can you send more technical description of the product and possibly a picture? Thank you Dan.
Moinsen posted a reply in the CycleKart Tech Forum 23h 33m ago
Re: Remote manual choke? (43 posts)
"You could use a solenoid like Evinrude and Johnson outboards had to actuate the choke with a return spring to open it back up. Since you presumably already have a battery on board for your starter, it should be easy to add on one...
mobilebob started a new topic in the Pub - Off Topic 1d 2h ago
any cycle kart builders or wannabe builders in central kansas?
just curious if there is anyone either has built, plans to build, or would like to build a cycle kart in central kansas area? i am located about 60mile nne of wichita, so maybe anyone in the greater wichita area, or maybe...
Rokon posted a reply in the CycleKart Tech Forum 1d 3h ago
Re: Jaguar SS100 Cyclekart (64 posts)
A few more pics.
Rokon posted a reply in the CycleKart Tech Forum 1d 3h ago
Re: Jaguar SS100 Cyclekart (64 posts)
Got a couple of good days working on the rear body work. Pretty much have it wrapped up. Solid riveting is done. Makes a solid “tank” end and I think the aesthetics are a nice touch. About a dozen screws to remove and the...
DGH started a new topic in the CycleKart Tech Forum 1d 9h ago
Wheel bearings on C90 wheels (5 posts)
What is the biggest diameter roller bearing and axle diameter that can be used on a c90 wheel as it comes please? Thanks.
atomicman123 posted a reply in the Custom Karts Forum 1d 15h ago
Re: Chinese Version of a CK? (8 posts)
I ran across this after watching Steves post. Nice build video of something approaching cyclekart aesthetics.
dandeangeli posted a reply in the CycleKart Tech Forum 1d 20h ago
Re: Remote manual choke? (43 posts)
“ Also look at bike brake and shifting cable housing as its the plastic ” Yes I have plenty of those and may combine such an arrangement with a spring in the true spirit of cycle karting i.e. inventing and repurposing
Dayenu started a new topic in the Custom Karts Forum 1d 20h ago
Buso ayuda con Planos para cuatriciclo a pedales
Hola, Buso ayuda con Planos para cuatriciclo a pedales, soy de chile y me encantaría poder construir uno para disfrutarlo con mi familia, aquí no hay cultura de este tipo de vehiculos, les dejo mi whatsapp por si hay personas...
NaNy NaNm ago


Cyclekart Introduction

Cyclekarts are compact, lightweight, sports machines, home and hand made by their drivers for the pursuit of classic motoring sporting excitement. They're not built to be serious race machines or show cars. They're built purely for the personal satisfaction and fun and of driving a machine you've built yourself. As driving machine, the CycleKart formula loosely limits certain aspects of the machines to maintain good sporting performance without jeopardising the light-hearted nature of these machines and the people who build them.

CycleKarts and their builders don't like to take things too seriously, but do encourage good, sporting competitions for fun. The Cyclekart specifications allow for all the cars built being similar in performance, without strictly governing the rules.

Cyclekarts are generally not for sale, as they should be an expression of the owner's individual styling interests as well as sharing the pride in building one's own unique kart. Cyclekarts are built for the pleasure of the imagination, the design and the building of the kart. Cyclekats are based on the styling of 1920s and 1930s race cars to pre WWII. Making it look good is fundamental, performance is secondary in the Cyclekarting community.

Please read the CycleKart Frequently Asked Questions (FAQ) for more information.

Cyclekart Specifications

A single seat ½ scale home built car, built to the following loose specifications:

  • Styling - 1920s and 1930s race cars, maximum pre WWII. Make it look good. Performance is secondary
  • Overall Maximum Length - 98" (2490mm)
  • Overall Maximum Width - 40" (1020mm)
  • Wheel Base - 66" (1675mm)
  • Track - 38" (965mm)
  • Chassis Frame Rails – (2) 1" x 3" (25mm x 75mm) steel (1/16" thickness is sufficient)
  • Body Work – 1/4" (6mm) plywood and 3/4" (18mm) plywood monocoque box, or metal work
  • Body Width - 14" (355mm) wide at front axle, 20" (510mm) wide at seat back
  • Front Axle – 1-5/8" (41.5mm) O.D. tubing, dropped to accommodate the leaf springs
  • Rear Axle - 1" x 36" (25mm x 915mm) long axle
  • Front springs - 24" x 1-1/4" (610mm x 38mm), 2 leaf, 1/2 elliptic
  • Wheels and tyres – Honda 17" x 1-3/4" (177mm x 44.5mm)
  • Minimum Weight – N/A
  • Maximum Weight - 250 lbs (113.6 kg)
  • Engine - 200cc, single cylinder 6.5 hp Honda OHV engine (GX200)
  • Engine Location – Rear
  • Drive - Comet TAV-30 (or similar) unit to one wheel only
  • Drive Chain - #40 chain, 72 tooth main sprocket
  • Braking – Single rear wheel by mechanical disc. No front brakes allowed
  • Variation – Adjust all or any specifications above as required or desired

A great introduction video to member Stephen Cameron's CycleKart build:

Special Thanks

Thanks to Tom Ruth for desigining the great Cyclekart Club logo in the header, and David Lake for writing the intro text and helping to get this community started. And of course thanks to all CycleKarters out there keeping the spirit of motorsport alive!



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