Orange Coast Chopper

[BrettMavriK]

Whole Lotta' Custom

'BrettMavriK

[iRide Customs]

Wow! Great work. Can we get a close up of the susp.?

[NunyaBidness]

I have been keeping an eye on your build progress and I knew it was going to be a good bike. Yet I am still amazed with the finished product.
From start to finish that was an awesome build.
Thank you for sharing your genius.

[hilifestile]

Great work!!

[Spunout]

you need to take that bike to the doctor, cuz its SICK!

well done! thats really nice. dig the ratrod look. besides being a looker, tell me its comfortable.

what kind of nightmare problems, if any, did you have to overcome?

[NEAT TIMES]

Brett, I Watched Your Detailed Build.. 1 Of A Kind For Sure. Awsum. Thanks For So Much Sharing. You Have Your Jack Shaft With A Free Wheel On The Crank Sprocket!! ?? Hence, A Shift Kit!! It Looks Very Neat And Functional

[iRide Customs]

Is there a link to the build progress?

[BrettMavriK]

Thanks, guys

Welp', with a whole lotta' custom came a whole lotta' bugs.

First off was jackshaft location not only for the chain to clear the actuator housing, but to get chain slack right in between both sides, and then sprocket alignment between all connections so the chains weren't jumping off. Chains have 1/2" increments (with a half link) to shorten or lengthen, so that was fun. Then came gear ratios. The 5 speed cluster on the back is 14 through 28 and geared to work with 26" wheels, so I had to come up with the right reduction not only for the motor, but for the pedaling since they share the last jack shaft gear before the rear end. I am still taller in gears than I want to be, but I'm going to try a bigger engine side jack shaft gear and it should nail the power band better. I'd like to hit 6000 rpm at 23 mph in first gear, 50 mph in fifth. then at about 7200, I'll be at 55 mph.
That's fast enough for me. =-]'
The rear shock set up has an anomoly of a slight torsional twist under load and makes the rear tire want to wiggle off center line. The culprit: The rear wheel cage hoops are bending independently under load. I have to bridge them at the front with 2 arced 3/4" tubes up to the pivot in which I have to change from a urethane bushing to delrin plastic, because it still offers too much play that although slight at the pivot, multiplies at the shock mount.
The left side jackshaft needs to be left hand thread instead of right as I've lost two nuts so far. Some machining will fix this. The gas cap seal, petcock tube threads, and stock petcock all sucked. I made a new seal which works excellent, and tapped the petcock tube for 1/8" NPT for a new and improved petcock (Thanks, Jim). The stock exhaust gasket was gone in two days; made another one. And finally, the long exhaust coming off the expansion chamber is choking the flow, so a bigger tube will be neccessary before the spark arrestor.

As far as the ride goes, I'm stretched out like I'm on an "aped" cruiser, but it handles like a BMX. It rides like a Cadillac, but I can rip through the turns at speed. It doesn't feel as if I'm on a chopper. Very nimble and responsive. The disc brakes handle the wo' very well. To be honest, it's the most comfortable bike I've ever been on, motor or not.
I love it.

'BrettMavriK

[BrettMavriK]

Originally Posted by iRide Customs

Is there a link to the build progress?

yes, but it's on the "other" forum.... =-]'
look for "my orange coast chopper build"
'BrettMavriK

[RClivin]

Brett, Where did you find white walls for the bike? I cannot find them anywhere and I want them on my Chopper.
ThANKS!