Mild revamp of the Introduction page for 5/7/2020.
I wanted to change this to include all current upgrades and modifications as well as a full mods list breakdown for those that are interested. I will include links to some of the upgrades that may be harder to find.
Modifications:
Engine.
1. Ported head with smoothed and polished combustion chamber.
2. Head decked 1mm to increase compression ratio to over 10:1 (calculated 10.3:1)
3. NGK DPR8EIX-9 Spark Plug.
4. Shortened factory plug wire with NGK XDO5F plug cap with resistor removed.
5. 125ml sump drawn Oil Cooler.
https://www.aliexpress.com/i/32913143396.html
6. Nibbi Racing PE30 Carburetor with 35 pilot and 150 main jet with needle at second notch.
7. CQR 250 rubber intake.
https://www.chinahao.com/product/581545449897/
8. Dual layer foam pod filter.
9. Ebay CRF230F Exhaust with factory muffler end cap installed and DEI Header wrap on head pipe.
10. Stainless Steel header studs and hardware.
11. WGK 1010851 "Bravo" 292 Cam
12. Roller Cam followers.
Chassis/Suspension/Brakes
1. YSS PD238 Fork valves with custom made adapters. Found through ebay out of Germany. 15wt oil.
2. Bashan Brozz rear swing arm.
https://shop.brozz250.com/eshopprod_...ingArm_Kit.htm
3. Fast Ace Bs-22ar/bda01ar 280mm rear shock with 1000lb/in spring
4. Fork Brace. (temporarily removed).
5. Sintered brake pads front and rear.
6. Dot 5.1 Ravenol brake fluid.
7. New Master Cylinder with factory levers. (this style
https://www.amazon.com/Lisyline-Univ..._t3_B078W4GRWJ )
8. Custom Jerryhawk250 Skid plate with center stand.
Chain, Sprockets, and shifter
1. DID VX2 520 Chain, 98 Links
2. Front Sprocket - JTF328 13 tooth
3. Rear Sprocket - JTR279 33 tooth
4. Honda Sprocket Studs - 90128-KE2-940
5. IMS Flightline Folding Shift Lever - model 312223 for XR400.
Tires
Shinko 700. Front 3.0x21 and Rear 4.6x18 with heavy duty IRC tubes.
Controls/Display
1. Digital Tach cluster sold by Matt (no longer available).
2. Renthal Fat Bars
https://www.aliexpress.com/item/3278...archweb201603_
3. Adjustable riser adapters.
https://www.aliexpress.com/item/3283...archweb201603_
4. Quarter turn throttle assembly.
5. Progrip 737BK Grips.
6. Round swing-away style mirrors.
Lighting/Electrical.
1. Fanless H4 LED headlight from Superbright LEDs.
https://www.superbrightleds.com/more...0-lumens/4444/
2. 1157 LED Tail/Brake bulb.
https://www.superbrightleds.com/more...15d-bulb/2625/
3. Motogadget M-Blaze Pin turn signals. (from an old project)
https://www.amazon.com/Motogadget-MG.../dp/B0145Q61N4
4. Cheap LED Spot lights with relay wiring harness and waterproof handlebar switch. (soon to be upgraded).
5. Upgraded main ground strap to 8awg wire.
6. YTZ7S Battery.
7. 4 position fuse panel and relays installed in modified air box.
Miscellanious
1. CSC TT250 rear luggage rack.
2. Shimmed front fender at rear bolts to angle away from oil cooler for clearance.
Current consistent top speed with mods and gearing is 74mph via GPS at around 8000rpm on the tachometer, but realistic sustained top speed is around 60-65mph for longer stretches. Acceleration is very strong through all of the gears.
A few pictures as it currently sits.
