SOURCE: timing chain tensioner adjustment
all v twin engines are noisy, if you could totally silence the exhaust noise, you would be horrified how awful the motor sounds, it could probably do with the cam chain tensioner ADJUSTING. i wouldn't think it would need replacing. unfortunately the manual only recomends this being done by a qualified tech, i have a xvs 650 with same trouble. i would adjust myself if i could find out the correct tollerences.
SOURCE: would like to know the gas tank capacity for a
YAMAHA
ROYAL STAR
Engine
Type: 1294cc liquid cooled 70 degree DOHC
V-four, four valves per cylinder
Bore
and Stroke: 79 x 66mm
Compression
Ratio: 10.1:1
Carburetor:
4 x 28mm Mikuni CV
Transmission:
5-speed
Wheelbase:
66.7 in.
Dry
Weight: 701 lbs.
Tires:
Front; 150/80V16 Rear; 150/90V15
Forks:
43mm Kayaba
Rear
Suspension: Kayaba mono-shock with adjustable
preload
Brakes:
298mm dual front discs with dual-piston calipers;
320mm rear disc with dual-piston
calipers
Seat
Height: 28.3 in.
Fuel
Capacity: 4.8 gallons
SOURCE: need to tighten the timing chain
It has an automatic cam chain tensioner. If you are getting cam chain rattle, I would look at worn guides/chain.
SOURCE: Clutch is slipping is there an adjustment? 1997 royal star
Yamaha has a curved washer style clutch spring that it uses for this model. These have been prone to slipping from day 1. Normally when you get on the throttle hot and heavy. A new spring will help the situation for a while but you may have to replace the clutch pack to get more pressure through out the clutch pack if the bike has high miles on it. Maybe the dealer would know if the VMAX spring is heavier and would work as a replacement.
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