Moto

My Motos

2000 Aprilia RS50

2000 Aprilia RS50

1972 Honda CB350

1972 Honda CB350

1969 Honda CB350

1969 Honda CB350

Past

1992 Kawasaki KDX200

1992 Kawasaki KDX200

1983 Yamaha YZ80

1983 Yamaha YZ80

Moto News

Parts you need to modify to convert your Mikuni TM24 to cable actuated starter enrichment (choke)

In the beginning… When I first got the Aprilia, starting the bike with a cold engine would go something like this: Kickstand up. Ignition key on. Shift gearbox to neutral. Kill switch set to Run. Snake right hand between plastic bodywork and aluminum frame. Fumble around blindly as I awkwardly reach for the Mikuni TM24 carburetor plunger mechanism and pull up to activate the starter enrichment circuit (choke). Press starter button. Gently rev engine for a minute or so while stationary. Put on helmet and gloves. Set off down the road gently, upshifting before 7,000 rpm, keeping an eye on […]

CB350 Fuel System Plumbing

I’m using a Pingel Power-Flo On-Off “Race” fuel valve with a 5/16″ outlet. My Mikuni VM30 carbs are designed for a 5.5mm ID fuel supply hose. Given the size mismatch I needed to find a way to step down the hose size from fuel tank outlet to carb inlet. To do this I routed the fuel as follows: From petcock through 5/16 Tygon F-4040-A hose to Jiffy–tite dry break fuel system quick disconnect (-5 AN inlet, -5 AN outlet). From quick disconnect to Pingel 1-in 2-out fuel filter. Conveniently, the fuel filter is 1″ in diameter so I use a stainless steel […]

What would happen if a real GP bike showed up to the local kart track?

It seems at times that I like to follow the path of most resistance. I know a stock Honda XR100 or Kayo MR125 likely offers the best bang for the buck in NJMGP racing. But I just can’t get over how cool tricked out grand prix prototype race bikes are. I love MotoGP and I follow with great interest what’s going on with Freetech 50cc racing over in Europe and sometimes I think I’d like to play along even if it means I’m spending way too much money and getting my ass handed to me by smaller, lighter, faster riders […]

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