b.lee

Can anyone supply a link or info on the speed & reliability differences between the 657 & 657x engine?

Thanks

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Mildly built 1989 JS550, port&polish, milled, 44mm SBN
full kerker exhaust, elec bilge, ss prop, custom ride plate,
quick turn bars, finger throttle, etc.
1995 717 XP, few extras, stock engine <--old ladies

Water Worx

650 doo motors are pretty much the same as far as reliability & speed,the X was marginally better.

b.lee

marginally = ? 5hp?

thx

__________________

Mildly built 1989 JS550, port&polish, milled, 44mm SBN
full kerker exhaust, elec bilge, ss prop, custom ride plate,
quick turn bars, finger throttle, etc.
1995 717 XP, few extras, stock engine <--old ladies

svtnos

im curious too..

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97 XP- Jet Dynamics Intake Grate
92 SP- Quadra Fin ride plate extension (sold)
95 XP- Stock

Water Worx

Of what ?? I had 5 more HP,didnt really go much faster.....

svtnos

for ****z and gigglez.. i have nothing else better to do.. lol

i wouldnt expect 5hp to make much of a difference..

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97 XP- Jet Dynamics Intake Grate
92 SP- Quadra Fin ride plate extension (sold)
95 XP- Stock

wire4money

10 horsepower and about 2 MPH

http://www.seadoosource.com/fueleconomy.html

b.lee

10 hp is enough for me to want to rebuild my 95 spx instead of my 93 xp

Thanks for the link wire4money, your the man!

__________________

Mildly built 1989 JS550, port&polish, milled, 44mm SBN
full kerker exhaust, elec bilge, ss prop, custom ride plate,
quick turn bars, finger throttle, etc.
1995 717 XP, few extras, stock engine <--old ladies

Water Worx

Whats funny is I have a customer with a 93 XP & a 94 XP & they are both side by side at full throttle,somehow I dont see 10 HP.