Register Now
 Register Now

You must sign in to add / modify vehicles in the EM garage
Owner: Daschicken
Cibbie: 1988 Honda CBR 250R
Displacement: 0.249 L
Fuel type: gasoline
Transmission: manual
Curb weight: 340 lbs
Coefficient of drag: 0
Frontal area: 0 sq.ft.
Description: Picture above is not my bike, but mine looks basically the same.

1988 CBR 250R. 4 cylinder 250cc, 18000+ rpm.Currently in process of mild restoration: New fairings, new paint on rims. One of less than ten in America.

EPA combined rating set to average of MC19s and MC22s on fuelly

ODO and speedo may be off and inflating mileage numbers, but have not confirmed yet.

Planning a frontal area and coastdown test to determine Cd and CdA.
Build Thread:
Current Mods: Aero: None

Drivetrain: Non O-ring chain, Aftermarket muffler (bringing down mileage), 90 main jet (stock is 85), 1 5/8 turns out for pilot jet(stock setting instead of richer), 38 PSI front, 41 PSI rear, all four spark plugs indexed to intake valves

Electrical: None

Planned Mods: Aero: Front radiator ducting and partial rear ducting, Foam blocks to cover front "air intakes", rear fender, belly pan to cover exhaust and deflect air from rear tire, fork air deflectors

Drivetrain: Taller gearing, adjust idle speed from 1500 rpm to 1200 when engine is warm, extra brake drag reduction clips

Electrical: Clean up grounding points, lighter battery

Riding style: Limit screaming to when it will be productive
Official Fuel Economy Ratings
EPA city 0 mpg(US)
EPA highway 0 mpg(US)
EPA combined 49.7 mpg(US)

Actual Fuel Economy Performance
Lifetime 50.92 mpg(US)
Last 3 tanks 47.6 mpg(US)
90 days 39.5 mpg(US)
View Fuel Log
Last updated: Sep 01, 2017

(Created: 2015-06-07 22:11:04 / Modified: 2017-09-01 23:37:45)

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright