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#31
Turning Wrenches / Re: Electrical Woes
Last post by m in sc - October 15, 2026, 09:25:49 PMstator or rotor probably is done. even if it tests well cold, it can fail when warm. has probably been slow failing and reconnecting the ground just finished it off. thats my guess
#32
Turning Wrenches / Re: Testing for Charging Issue...
Last post by m in sc - October 15, 2026, 09:22:44 PMsweet!
#33
Turning Wrenches / Re: Testing for Charging Issue...
Last post by BlueR32 - October 15, 2026, 09:09:56 PMFinally got the Vape fully installed and fired her up this afternoon. Thanks to all who chimed in with tips, and also kudos to Chuck Q for the very helpful install guide, and John at Economy who was very patient with all my questions. Haven't gone for a test ride yet but fingers crossed all will go well.
#34
Turning Wrenches / Re: Electrical Woes
Last post by SmokeAddicted - October 15, 2026, 07:40:36 PMIt is not charging. The insane part is since last play, I recharged the battery, turned to the ON position, and now for some completely unexplainable reason, the voltage is stable.
It's as though when the bike gets warm, it starts dumping voltage.
It's as though when the bike gets warm, it starts dumping voltage.
#35
Turning Wrenches / Re: TIRE SIZES?
Last post by m in sc - October 15, 2026, 07:17:35 PMdepending on the tire the mounting bolts can interfere.
#36
Turning Wrenches / Re: TIRE SIZES?
Last post by IR8D8R - October 15, 2026, 04:42:29 PMThe 100/90 fits. There is adequate clearance between the inward curve of the stock RD350 fender's fork brace using stock rims. Wider rim? It needs to be perfectly true. The wide rim lets the tire open up right where the brace is narrow and the tire is it's widest. There will be about 1.5mm on either side where the little ripple is on the 350 fender mount.
The stainless RD400 front fenders don't have that issue. They look pretty close to stock and you don't need stays.
If you don't run the stock front fender you need a brace. It's built-in to the stock fenders.
Turn in is supposed to be faster with a 90/90 front. I've run 100/90 front on both a stock and a 2.15" wide rim.
Rear 110/80 is better than a 110/90 IMO.
IR8D8R
The stainless RD400 front fenders don't have that issue. They look pretty close to stock and you don't need stays.
If you don't run the stock front fender you need a brace. It's built-in to the stock fenders.
Turn in is supposed to be faster with a 90/90 front. I've run 100/90 front on both a stock and a 2.15" wide rim.
Rear 110/80 is better than a 110/90 IMO.
IR8D8R
#37
Turning Wrenches / Re: Electrical Woes
Last post by Striker1423 - October 15, 2026, 03:59:53 PMWhat does the bike do when its running? Is it charging?
#38
eBay/FB Marketplace/Craigslist watch / RD parts in Washington
Last post by 85RZwade - October 15, 2026, 03:34:40 PM #39
Turning Wrenches / Re: Electrical Woes
Last post by SmokeAddicted - October 15, 2026, 02:56:43 PMBack to the drawing board. I tightened up the power wire from the stator to the coils. Before starting the bike, I could turn the key ON with the switch the the RUN position. Voltage would dip .20-.25v and remain steady. Battery held a charge overnight for 3 days.
Now that I have run the bike for maybe 1-2 miles, I'm back to square one. Started with 12.8v, 2 miles later, I'm at 12.3v. This includes continuous revving.
With the key and run switch in the ON position, I'm getting heavy voltage drop. Bike is not running. If I start the bike, rev it out, it seems relatively stable, but voltage definitely is not climbing.
Assuming I don't have an unproved short to ground, Could this be a sign of failing coils, ignition, or regulator/rectifier? Note, there are no lights at all on the bike. The only thing that SHOULD be drawing power is the coils.
Now that I have run the bike for maybe 1-2 miles, I'm back to square one. Started with 12.8v, 2 miles later, I'm at 12.3v. This includes continuous revving.
With the key and run switch in the ON position, I'm getting heavy voltage drop. Bike is not running. If I start the bike, rev it out, it seems relatively stable, but voltage definitely is not climbing.
Assuming I don't have an unproved short to ground, Could this be a sign of failing coils, ignition, or regulator/rectifier? Note, there are no lights at all on the bike. The only thing that SHOULD be drawing power is the coils.
#40
Turning Wrenches / Re: Newbie squish questions
Last post by Vintagewannabe - October 14, 2026, 10:28:54 PMTried the x of solder, pulled the head to the back, and torqued to the full 15ftlb. All on left cylinder
Only noteable change is the back left and front right almost evened out at .88-.89mm. The back left stayed tight at .74mm and front right was .98mm.
On the note of stock or not, it has a vitos crank, wiseco pistons, a mild port, and cut for 400 headgaskets
Only noteable change is the back left and front right almost evened out at .88-.89mm. The back left stayed tight at .74mm and front right was .98mm.
On the note of stock or not, it has a vitos crank, wiseco pistons, a mild port, and cut for 400 headgaskets