My Top Speed Is...
 

I don't know if a thread has been started like this but I thought it would be helpful to start keeping track of peoples top speeds and the conditions that led to that top speed. For example:

Top Speed: 65mph
Bike: Bashan Storm 250 (Counter-Balanced Engine)
Front/Rear Sprocket: 17/43
Mods: Pod Filter Intake
Carb Tuning: 108 main/1 shim on needle
Rider Weight: 210 lbs

Good idea! I'll play. :clap: Note that my bike isn't broken in yet either.

Top Speed: 67mph
Bike: 2018 SSR Motorsports XF250 Street
Front/Rear Sprocket: 15/43
Mods: None yet
Carb Tuning: None yet
Rider Weight: 190 lbs

That's quite a nice bike! Very expensive but looks to be pretty top quality! Changing the intake and/or exhaust and some carb tuning should definitely put you over 70mph!

It is pretty nice. I have gearing changes planned as well as a slip on (and eventually the oh so nice Lextek exhaust later on) and a 6sigma jet kit in the plans for performance mods. I'm hoping I can get it to cruise at 75 mph like I've heard this bike can do. If not I can settle for 70. Lol.

Top Speed: 61mph (GPS verified). This was just today - my first run after dialing it in.
Bike: Bashan BSR250
Front/Rear Sprocket: stock. Also stock chain.
Mods: Mikuni VM26 clone and aftermarket exhaust. NGK plug. Airbox is stock, but all the auxiliary air hose stuff is deleted and ports are plugged.
Carb Tuning: 115 main - 25 pilot - needle in middle (3rd) position
Rider Weight: 250 lbs

Bike hummed along great at 45-55 (it was also a crazy windy day today) but felt a bit more unstable at 60, so I backed off. I think with better tires It would hit 65 on flat ground and still feel stable.

Top Speed: 62 mph (was 60 mph with stock rear 46 )
Bike: TBR7 2019
Front/Rear Sprocket: 17/44
Mods: Mikuni clone carb swap, Front \ Rear sprockets
Carb Tuning: 100 main/1 shim on needle, A\F 1.5 turns out
Rider Weight: 220 lbs

Top Speed:53 mph (according to the speedo not sure of it's accuracy )
Bike: TBR7 2020
Front/Rear Sprocket: 15/46 (? Stock setup currently)
Mods: Mikuni clone carb swap VM26, 110 Main, New non cat exhaust, Iridium
Carb Tuning: 110 main/ needle in the middle, A\F 1.5 turns out
Rider Weight: 190 lbs

2018 Hawk 250
Top Speed: 72-75mph*
Ekevation: 1100ft
Mods, Carb, and sprockets: Link in signature (too much to post here).
Rider Height and Weight: 6'4'' 270lbs

*My bike is limited by it's gearing more so than power. Via Phone GPS - 72mph is the most repeatable top speed I can achieve, with 75 happening on nice flat ground. So to be fair that is the top speed I have listed. I have reached 79mph on a few occasions, but I don't count those as official top speeds since they are hard to repeat without the right conditions.

Top speed: 72 mph (GPS confirmed)
Bike: 2020 TBR7
Front/rear sprocket: 17/44
Mods: CRF230F exhaust, UNI pod filter, PnP 10.3:1 head, front fork brace
Carb tuning: 120 main, 38 pilot
A/F 1.5 turns out
Rider weight: 210lbs

Elevation is probably an important factor to include as well.

Elevation: 3 meters above sea level

Elevation is very important indeed. My bike looses 5-10 mph on the top end during my ride home from work (LA area/sea level) up to the high desert (3-4,500k feet). I'm sure better tuning could help even things out, but I need my bike to be fastest on the big highways "down the hill".

Top Speed: 80 mph(not common though) 77-78 is more realistic.
Bike: SSR xf250
Mods: Pod Filter Intake, jet kit, amazon universal muffler, and now a cigar lighter.
Carb Tuning: 130 main, larger pilot (forgot size)
Rider Weight: 190lbs

59 MPH by gps, 63 on speedo

2016 Magician
Stock Gearing
Stock carb with 105 Main, 42 Pilot, A/F 1 3/4 turns
NGK plug
Rider weight 210.
Elevation 1500 feet

62 MPH by GPS

2019 Brozz250
stock from the box, except for NGK plug, and of course valves=set at .0025" & .004"
stock sprockets 17/46
stock carb & exhaust
1000' elevation
rider weight 205

Wow, that's amazing! You're not running rich???

I'm starting to see a trend that MAYBE counter-balanced engines like in the Storm and Brozz are about 5mph slower! That's kind of interesting.